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		<title>IU22 Informatika taldearen Bloga</title>
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		<item>
		<title>Azterketa OHIKOA</title>
		<link>http://iu22.wordpress.com/2010/03/01/azterketa-ohikoa/</link>
		<comments>http://iu22.wordpress.com/2010/03/01/azterketa-ohikoa/#comments</comments>
		<pubDate>Mon, 01 Mar 2010 08:47:22 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
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		<description><![CDATA[Martxoak 2 1go ebaluaketa gainditu dutenak: 07UD tik 13UD arte. 06UD &#8211; DHCP egina dago. Besteak: Gainditu ez dituzte unitate guztiak<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=274&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h2>Martxoak 2</h2>
<p><span style="text-decoration:underline;">1go ebaluaketa gainditu dutenak:</span> 07UD tik 13UD arte. 06UD &#8211; DHCP egina dago.</p>
<p><span style="text-decoration:underline;">Besteak:</span> Gainditu ez dituzte unitate guztiak</p>
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		<title>12UD-13UD. Beste zerbitzu batzuk</title>
		<link>http://iu22.wordpress.com/2010/02/25/beste-zerbitzu-batzuk/</link>
		<comments>http://iu22.wordpress.com/2010/02/25/beste-zerbitzu-batzuk/#comments</comments>
		<pubDate>Thu, 25 Feb 2010 10:30:12 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
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		<description><![CDATA[Urruneko Mahaigaina. Remote Desktop. Sistema eragile ezberdinen artean (Linux, Windows) Bideo eta Audioaren Streamming (VLC erabiliz) Sare Diagnosi tresnak Bideokonferentzia<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=72&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Urruneko Mahaigaina. Remote Desktop. Sistema eragile ezberdinen artean (Linux, Windows)<br />
Bideo eta Audioaren Streamming (VLC erabiliz)</p>
<p><span style="text-decoration:line-through;">Sare Diagnosi tresnak</span><span style="text-decoration:line-through;"><br />
Bideokonferentzia</span></p>
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		<title>11UD. FTP Zerbitzua</title>
		<link>http://iu22.wordpress.com/2010/02/22/ftp-zerbitzua/</link>
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		<pubDate>Mon, 22 Feb 2010 11:04:52 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[FTP zerbitzu bat instalatu. Adibidez vsftpd eta ondoren ariketa hauek egin: (edo proftpd) 0- Zerbitzua instalatu: # aptitude install vsftpd 1- Erabiltzaile berriak sortu ftp zerbitzua erabiltzeko. # adduser erabiltzailea 2- Erabiltzailea konektatzen denean, /home/erabiltzailea/ direktoriora konektatu dadila defektuz. vsftpd.conf: anonymous_enable=YES #anonimoki sartzeko local_enable=YES #sistemako erabiltzaileak sartzeko aukera eman write_enable=YES #idazteko baimena local_umask=022 #fitxategia igotzean [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=55&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>FTP zerbitzu bat instalatu. Adibidez <a href="http://vsftpd.beasts.org/">vsftpd</a> eta ondoren ariketa hauek egin: (edo proftpd)</p>
<p>0- Zerbitzua instalatu:</p>
<pre># aptitude install vsftpd</pre>
<p>1- Erabiltzaile berriak sortu ftp zerbitzua erabiltzeko.</p>
<pre># adduser erabiltzailea</pre>
<p>2- Erabiltzailea konektatzen denean, /home/erabiltzailea/ direktoriora konektatu dadila defektuz.</p>
<p>vsftpd.conf:</p>
<pre> anonymous_enable=YES     #anonimoki sartzeko
 local_enable=YES         #sistemako erabiltzaileak sartzeko aukera eman
 write_enable=YES         #idazteko baimena
 local_umask=022          #fitxategia igotzean 022 baimena izango du
 dirmessage_enable=YES    #ongietorri mezua erakusteko
 ftpd_banner=Kaixo. Ongi etorria FTP zerbitzura.
 chroot_local_user=YES    #erabiltzailea home direktorioan entzerratzeko</pre>
<p>3- zerbitzarira konektatzeko:</p>
<pre>$ ftp [IP]</pre>
<p>4.Ondorengo eragiketak egin (gFTP bezeroa erabili dezakezue edo bestela FTP aginduak erabiliz):</p>
<p>4.1 fitxategi bat igo</p>
<p>4.2 fitxategi bat jeitsi</p>
<p>4.3 fitxategiak ezabatu, aldatu&#8230;</p>
<p>4.4 FTP aginduak probatu. Terminal batetik konektatuta. (?, user, get, put, &#8230;)</p>
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		<title>08UD. Suebaki. Proxy gardena</title>
		<link>http://iu22.wordpress.com/2010/02/12/08ud-suebaki-proxy-gardena/</link>
		<comments>http://iu22.wordpress.com/2010/02/12/08ud-suebaki-proxy-gardena/#comments</comments>
		<pubDate>Fri, 12 Feb 2010 07:00:47 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[Zer da proxy gardena? &#124; barne sarea &#124;-----&#124; squid &#124;--------( internet )            Barne saretik internetera sartzeko Proxytik pasa behar du. Horretarako Iptables erabiliz 80 portutik datorrena Proxya entzuten dagoen portura bideratzen da. Proxy gardena egiteko squid konfiguratu [Suposatzen da squid instaltua dugula] squid.conf fitxategian, squid-en konfigurazioa gordetzen da. squid.conf fitxategia izugarri handia da eta gainera [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=263&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h2>Zer da proxy gardena?</h2>
<pre>| barne sarea |-----| squid |--------( internet )           
</pre>
<p>Barne saretik internetera sartzeko Proxytik pasa behar du. Horretarako Iptables erabiliz 80 portutik datorrena Proxya entzuten dagoen portura bideratzen da.</p>
<h2>Proxy gardena egiteko squid konfiguratu</h2>
<p>[Suposatzen da squid instaltua dugula]</p>
<p><em>squid.conf</em> fitxategian, squid-en konfigurazioa gordetzen da. <em>squid.conf</em> fitxategia izugarri handia da eta gainera aukera gehienak komentatuta ditu. Azpiko aginduaren bidez komentario eta lero hutsak kendu daitezke. Oso erabilgarria:</p>
<pre># cat /etc/squid/squid.conf | sed '/^#/d; /^$/d'
(azalpena: /^#/ #-z asten den lerroa eta /^$/ lerro hutsa. 'd'-k delete esan nahi du)</pre>
<blockquote><p>hierarchy_stoplist cgi-bin ?<br />
acl QUERY urlpath_regex cgi-bin \?<br />
cache deny QUERY<br />
acl apache rep_header Server ^Apache<br />
broken_vary_encoding allow apache<br />
access_log /var/log/squid/access.log squid<br />
hosts_file /etc/hosts<br />
refresh_pattern ^ftp:        1440    20%    10080<br />
refresh_pattern ^gopher:    1440    0%    1440<br />
refresh_pattern .        0    20%    4320<br />
acl all src 0.0.0.0/0.0.0.0<br />
acl manager proto cache_object<br />
acl localhost src 127.0.0.1/255.255.255.255<br />
acl to_localhost dst 127.0.0.0/8<br />
acl purge method PURGE<br />
acl CONNECT method CONNECT<br />
acl barne_sarea src 10.14.5.1-10.14.5.254<br />
acl debekatutako_URLak url_regex youtube.com<br />
http_access deny debekatutako_URLak<br />
http_access allow barne_sarea<br />
http_access allow manager localhost<br />
http_access deny manager<br />
http_access allow purge localhost<br />
http_access deny purge<br />
http_access deny !Safe_ports<br />
http_access deny CONNECT !SSL_ports<br />
http_access allow localhost<br />
http_access deny all<br />
http_reply_access allow all<br />
icp_access allow all</p>
<p><strong>cache_effective_user erabiltzailea<br />
cache_effective_group erabiltzailea</strong></p>
<p>#oharra: erabiltzaile sistemako erabiltzaile bat izango da. kasu #batzutan proxy erabiltzailea sortzen da</p>
<p>coredump_dir /var/spool/squid<br />
<strong> visible_hostname localhost.localdomain<br />
</strong><strong> http_port 3128 transparent</strong></p></blockquote>
<ul>
<li>/etc/init.d/squid restart</li>
</ul>
<h2>Proxy gardena egiteko IPTABLES aginduak:</h2>
<p>[OHARRA. Atal hau egin aurretik komeni da Iptables buruzko sarrera aztertzea]</p>
<p>PTABLES erregelak jarri:</p>
<ul>
<li>Hauek dira aplikatuko diren erregelak (<a href="http://www.cyberciti.biz/tips/linux-setup-transparent-proxy-squid-howto.html">hemendik hartua</a>):</li>
</ul>
<blockquote><p>#!/bin/sh<br />
# ————————————————————————————<br />
# See URL: http://www.cyberciti.biz/tips/linux-setup-transparent-proxy-squid-howto.html<br />
# (c) 2006, nixCraft under GNU/GPL v2.0+<br />
# ————————————————————————————-<br />
# squid server IP<br />
SQUID_SERVER=”10.14.5.31″<br />
# Interface connected to Internet<br />
INTERNET=”eth0″<br />
# Interface connected to LAN<br />
LAN_IN=”eth1″<br />
# Squid port<br />
SQUID_PORT=”3128″</p>
<p># DO NOT MODIFY BELOW<br />
# Clean old firewall<br />
iptables -F<br />
iptables -X<br />
iptables -t nat -F<br />
iptables -t nat -X<br />
iptables -t mangle -F<br />
iptables -t mangle -X<br />
# Load IPTABLES modules for NAT and IP conntrack support<br />
modprobe ip_conntrack<br />
modprobe ip_conntrack_ftp<br />
# For win xp ftp client<br />
#modprobe ip_nat_ftp<br />
echo 1 &gt; /proc/sys/net/ipv4/ip_forward<br />
# Setting default filter policy<br />
iptables -P INPUT DROP<br />
iptables -P OUTPUT ACCEPT<br />
# Unlimited access to loop back<br />
iptables -A INPUT -i lo -j ACCEPT<br />
iptables -A OUTPUT -o lo -j ACCEPT<br />
# Allow UDP, DNS and Passive FTP<br />
iptables -A INPUT -i $INTERNET -m state –state ESTABLISHED,RELATED -j ACCEPT<br />
# set this system as a router for Rest of LAN<br />
iptables –table nat –append POSTROUTING –out-interface $INTERNET -j MASQUERADE<br />
iptables –append FORWARD –in-interface $LAN_IN -j ACCEPT<br />
# unlimited access to LAN<br />
iptables -A INPUT -i $LAN_IN -j ACCEPT<br />
iptables -A OUTPUT -o $LAN_IN -j ACCEPT<br />
# DNAT port 80 request comming from LAN systems to squid 3128 ($SQUID_PORT) aka transparent proxy<br />
iptables -t nat -A PREROUTING -i $LAN_IN -p tcp –dport 80 -j DNAT –to $SQUID_SERVER:$SQUID_PORT<br />
# if it is same system<br />
iptables -t nat -A PREROUTING -i $INTERNET -p tcp –dport 80 -j REDIRECT –to-port $SQUID_PORT<br />
# DROP everything and Log it<br />
#iptables -A INPUT -j LOG<br />
iptables -A INPUT -j DROP</p></blockquote>
<ul>
<li>Erregele hauek <em>proxy-gardena</em> izeneko fitxategian gorde eta</li>
<li># chown root:root proxy-gardena</li>
<li># chmod 755 proxy-gardena</li>
<li># mv proxy-gardena /etc/init.d/</li>
<li># cd /etc/rc2.d/</li>
<li># ln -s /etc/init.d/proxy-gardena  S20proxy-gardena</li>
</ul>
<p>Modu honetara sistema hasieratzen denean iptables erregelak ejekutatuko dira eta 80 portura doazen eskaerak Proxy-tik pasako ditugu.</p>
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		<title>08UD. Suebakia. IPtables</title>
		<link>http://iu22.wordpress.com/2010/02/02/iptables/</link>
		<comments>http://iu22.wordpress.com/2010/02/02/iptables/#comments</comments>
		<pubDate>Tue, 02 Feb 2010 11:55:59 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://iu22.wordpress.com/2009/01/22/iptables/</guid>
		<description><![CDATA[Artikulu honetan IPtables zer den eta hainbat adibide azaltzen ditu: http://www.pello.info/filez/firewall/iptables.html Adibideak: [ OHARRA: Pauso guzti hauek egin aurretik sarearen konfigurazioa ESKUZ /etc/network/interfaces erabiliz egin. Bestela arazoak egon daitezke default gateway ezartzeko garaian. OHARRA2: ip_forward = 1 jartzeko echo 1 ... erabili beharrean, /etc/sysctl.conf fitxategian dagokion lekuan komentarioa kendu eta 1 jarri ] echo “Iptables [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=44&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Artikulu honetan IPtables zer den eta hainbat adibide azaltzen ditu: <a href="http://www.pello.info/filez/firewall/iptables.html">http://www.pello.info/filez/firewall/iptables.html</a></p>
<p>Adibideak:</p>
<p>[</p>
<p>OHARRA: Pauso guzti hauek egin aurretik sarearen konfigurazioa ESKUZ /etc/network/interfaces erabiliz egin. Bestela arazoak egon daitezke default gateway ezartzeko garaian.</p>
<p>OHARRA2: ip_forward = 1 jartzeko echo 1 ... erabili beharrean, /etc/sysctl.conf fitxategian dagokion lekuan komentarioa kendu eta 1 jarri</p>
<p>]</p>
<p><code> echo “Iptables erregelak …\n”<br />
iptables -F<br />
iptables -X<br />
iptables -Z<br />
iptables -t nat -F<br />
###<br />
iptables -P INPUT ACCEPT<br />
iptables -P OUTPUT ACCEPT<br />
iptables -P FORWARD ACCEPT<br />
iptables -t nat -P PREROUTING ACCEPT<br />
iptables -t nat -P POSTROUTING ACCEPT<br />
###<br />
#localhost onartzeko<br />
iptables -A INPUT -i lo -j ACCEPT<br />
###<br />
#barne saretik sarrera onartzeko (eth0)<br />
iptables -A INPUT -s 192.168.0.0/24 -i eth0 -j ACCEPT<br />
###<br />
#DNS eskaerak onartzeko<br />
#iptables -A FORWARD -s 192.168.0.0/24 -i eth0 -p tcp –dport 53 -j ACCEPT<br />
#iptables -A FORWARD -s 192.168.0.0/24 -i eth0 -p udp –dport 53 -j ACCEPT<br />
###<br />
#WEB eskaerak debekatzeko<br />
#iptables -A FORWARD -p tcp –dport 80 -j DROP<br />
###<br />
#onartu ip forwarding eth0&lt;–&gt;ppp0(eth1)<br />
#eth0 barne sarekoa, ppp0(eth1 erabiliz) kanpokoa<br />
#adibide honetan 192.168.0.0/24 sarekoei baimentzen zaie<br />
iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -o ppp0 -j MASQUERADE<br />
#adibide honetan, edozein barne sareri<br />
#iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE<br />
echo 1 &gt; /proc/sys/net/ipv4/ip_forward<br />
###<br />
## kanpoko sarrerak itxi:<br />
# 0.0.0.0/0 edozein sare adierazten du<br />
# portu ezagunak ixten ditugu<br />
iptables -A INPUT -s 0.0.0.0/0 -p tcp -dport 1:1024 -j DROP<br />
iptables -A INPUT -s 0.0.0.0/0 -p udp -dport 1:1024 -j DROP<br />
###<br />
echo “amaitu dira: iptables -L -n aginduarekin egiaztatu\n”</code></p>
<p>Zer egiten du adibide honek?</p>
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		<title>08UD. Proxy. Squid</title>
		<link>http://iu22.wordpress.com/2010/01/22/proxy-gardena/</link>
		<comments>http://iu22.wordpress.com/2010/01/22/proxy-gardena/#comments</comments>
		<pubDate>Fri, 22 Jan 2010 07:30:11 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://iu22.wordpress.com/?p=46</guid>
		<description><![CDATA[Proxy bat. Squid. Zer da Proxy bat?: Ordezkari bat da Diseinua: Sareko beste makina bat bezala (sare txartel bat) Interneteko proxy bat Suebaki moduan. Proxy gardena (aurrerago azaldua) Ataka 3128/8080 Instalazioa: Instalazioa egin aurretik komeni da proxya izango den makinak hostname kualifikatu bat izatea, hau da makinarenizena.domeinua, hau egiteko /etc/hostname fitxategia aldatu behar da. # [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=46&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h2>Proxy bat. Squid.</h2>
<p><span style="text-decoration:underline;">Zer da Proxy bat?:</span></p>
<ul>
<li>Ordezkari bat da</li>
<li>Diseinua:
<ul>
<li>Sareko beste makina bat bezala (sare txartel bat)</li>
<li>Interneteko proxy bat</li>
<li>Suebaki moduan. Proxy gardena (aurrerago azaldua)</li>
<li>Ataka 3128/8080</li>
</ul>
</li>
</ul>
<p><span style="text-decoration:underline;">Instalazioa:</span></p>
<p style="padding-left:30px;">Instalazioa egin aurretik komeni da proxya izango den makinak hostname kualifikatu bat izatea, hau da <em>makinarenizena.domeinua</em><em>, </em>hau egiteko /etc/hostname fitxategia aldatu behar da.<span style="text-decoration:underline;"><br />
</span></p>
<p style="padding-left:30px;"># apt-get install squid</p>
<p><span style="text-decoration:underline;">Konfigurazioa:</span></p>
<ul>
<li>/etc/squid/squid.conf</li>
<li>webmin</li>
<li>ACL erregelak</li>
<li>Bezeroak nola konfiguratu proxy bat erabiltzeko (Firefox, &#8230;)</li>
</ul>
<p><span style="text-decoration:underline;">Monitorizazioa:</span></p>
<ul>
<li>
<pre>/var/log/squid/cache.log</pre>
</li>
<li>
<pre>/var/log/squid/access.log</pre>
</li>
<li>Edukoa ikusteko:
<ul>
<li>
<pre>$ tail -f /var/log/squid/access.log</pre>
</li>
<li>
<pre>$ more /var/log/squid/access.log | grep DENIED</pre>
</li>
</ul>
<ul>
<li><em>Calamaris</em> erabiliz:
<pre># apt-get install calamaris</pre>
<p>Ondoren calamaris erabiliz access.log fitxategia HTML batera bihurtu eta Arakatzaile batekin begiratu. Agindua:</p>
<pre>$ sudo cat /var/log/squid/access.log | calamaris -R -1 -a -F html  &gt; index.html</pre>
</li>
</ul>
</li>
</ul>
<p><span style="text-decoration:underline;">Ariketak:</span></p>
<ol>
<li>WEB gune batzuetara sarrera debekatu</li>
<li>WEB gune batetara bakarrik sarrera baimendu</li>
<li>IP eremu bati bakarrik utzi</li>
<li>Goizez bakarrik baimendu</li>
<li>&#8230;</li>
</ol>
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		<title>09UD. Posta elektronikoa</title>
		<link>http://iu22.wordpress.com/2010/01/12/posta-elektronikoa/</link>
		<comments>http://iu22.wordpress.com/2010/01/12/posta-elektronikoa/#comments</comments>
		<pubDate>Tue, 12 Jan 2010 12:29:50 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://iu22.wordpress.com/2009/01/30/posta-elektronikoa/</guid>
		<description><![CDATA[Posta elektronikoan erabilzen diren protokolo nagusiak: SMTP: bidaltzeko protokoloa POP: jasotzekoa Bezeroak: Ariketa: Thunderbird posta bezeroa erabiliz, kontu bat konfiguratu eta posta bidali/jaso. Ariketa2: Enigmail erabiliz Posta modu seguruan bidali/jaso. Zerbitzariaren instalazioa: https://help.ubuntu.com/9.10/serverguide/C/email-services.html Abiapuntua: DNSa duen makina bat (edo DNSa dagoen sare bat). Bertan NX motako mail.openpremia.eus erregistroa duena. Hau konfiguratzeko pausoak: http://rimuhosting.com/support/bindviawebmin.jsp /etc/bind/openpremia.eus.hosts. $ttl [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=49&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Posta elektronikoan erabilzen diren protokolo nagusiak:</p>
<p>SMTP: bidaltzeko protokoloa<br />
POP: jasotzekoa</p>
<h3>Bezeroak:</h3>
<p>Ariketa: <a href="http://www.mozilla-europe.org/eu/">Thunderbird</a> posta bezeroa erabiliz, kontu bat konfiguratu eta posta bidali/jaso.</p>
<p>Ariketa2: <a href="https://addons.mozilla.org/en-US/thunderbird/addon/71">Enigmail</a> erabiliz Posta modu seguruan bidali/jaso.</p>
<h3>Zerbitzariaren instalazioa:</h3>
<p><a href="https://help.ubuntu.com/9.10/serverguide/C/email-services.html">https://help.ubuntu.com/9.10/serverguide/C/email-services.html</a></p>
<div>
<p>Abiapuntua: DNSa duen makina bat (edo DNSa dagoen sare bat). Bertan <em>NX</em> motako <em>mail.openpremia.eus</em> erregistroa duena. Hau konfiguratzeko pausoak:</p>
<p><span id="more-49"></span></p>
<p><a href="http://rimuhosting.com/support/bindviawebmin.jsp">http://rimuhosting.com/support/bindviawebmin.jsp</a></p>
<p><tt>/etc/bind/openpremia.eus.hosts</tt>.</p>
<pre>$ttl 38400
openpremia.eus.    IN    SOA    zerbitzaria.openpremia.eus. admin.openpremia.eus. (
 1259750185
 10800
 3600
 604800
 38400 )
openpremia.eus.    IN    NS    zerbitzaria.openpremia.eus.
openpremia.eus.    IN    A    10.14.4.253
zerbitzaria.openpremia.eus.    IN    A    10.14.4.253
mail.openpremia.eus.    IN    A    10.14.4.253
openpremia.eus.    IN    MX    1 mail.openpremia.eus.</pre>
<p><strong>SMTP:</strong></p>
<p><a href="https://help.ubuntu.com/9.10/serverguide/C/postfix.html">Postfix:</a></p>
<pre><strong># apt-get install postfix

</strong>
<pre><strong># dpkg-reconfigure postfix</strong>
Erantzunak:
<div>
<ul type="disc">
<li> Internet Site</li>
<li> mail.openpremia.eus</li>
<li> zubiri</li>
<li> openpremia.eus, mail.openpremia.eus, localhost.localdomain, localhost</li>
<li> No</li>
<li> 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.0/24 10.14.4.0/22</li>
<li> 0</li>
<li> +</li>
<li> all</li>
</ul>
</div>
</pre>
</pre>
<p>Ondoren postontzia konfiguratu:</p>
<pre>
<pre>
<pre><strong># postconf -e 'home_mailbox = Maildir/'</strong>
</pre>
</pre>
</pre>
<p>Konfigurazio fitxategia:</p>
<pre>
<pre>
<pre>vim /etc/postfix/main.cf
</pre>
</pre>
</pre>
<p>Berrasieratzeko:</p>
<pre>
<pre>
<pre>/etc/init.d/postfix restart
</pre>
</pre>
</pre>
<p>Log-ak ikusteko (erroreak, …):</p>
<pre>
<pre>
<pre>/var/log/mail.err
</pre>
</pre>
</pre>
</div>
<div>
<p><strong>POP:</strong></p>
<p><strong>Dovecot<br />
</strong></p>
<p><a href="https://help.ubuntu.com/9.10/serverguide/C/dovecot-server.html">https://help.ubuntu.com/9.10/serverguide/C/dovecot-server.html</a></p>
<pre><strong># apt-get install dovecot-imapd dovecot-pop3d</strong>
</pre>
<p>Ondoren konfiguratu:</p>
<pre><code>/etc/dovecot/dovecot.conf</code>:
<pre>protocols = pop3 pop3s imap imaps
<pre>mail_location = maildir:~/Maildir

disable_plaintext_auth = no #SSL konfiguratu gabe dugulako!! arriskutsua da!!
</pre>
</pre>
</pre>
<p>Berrasieratu:</p>
<pre>
<pre>
<pre>
<pre><strong># /etc/init.d/dovecot restart

</strong>
</pre>
</pre>
</pre>
</pre>
<h3>Erabiltzaileak sortu:</h3>
<pre>
<pre>
<pre>
<pre># adduser <em>erabiltzailea</em>
</pre>
</pre>
</pre>
<pre>
<pre>
</pre>
</pre>
</pre>
<p>Obekuntza: Segurtasuna: TLS, Ldap, …  konfiguratzea.</p>
<p>Dokumentazioa:</p>
<p><a href="https://help.ubuntu.com/community/MailServer">https://help.ubuntu.com/community/MailServer</a></p>
<p><a href="https://help.ubuntu.com/8.04/serverguide/C/email-services.html">https://help.ubuntu.com/8.04/serverguide/C/email-services.html</a></p>
<p><a href="http://www.howtoforge.com/the-perfect-spamsnake-ubuntu-8.04">http://www.howtoforge.com/the-perfect-spamsnake-ubuntu-8.04</a></p>
<p><a href="http://www.howtoforge.com/postfix-virtual-hosting-with-ldap-and-dovecot-on-ubuntu8.04">http://www.howtoforge.com/postfix-virtual-hosting-with-ldap-and-dovecot-on-ubuntu8.04</a></p>
<p><a href="https://help.ubuntu.com/9.10/serverguide/C/email-services.html">https://help.ubuntu.com/9.10/serverguide/C/email-services.html</a></p>
<p><a href="http://www.howtoforge.org/perfect_setup_debian_etch_p5">http://www.howtoforge.org/perfect_setup_debian_etch_p5</a></p>
</div>
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		<title>Azterketa: 06UD.SSH eta 07UD.HTTP</title>
		<link>http://iu22.wordpress.com/2010/01/11/azterketa-praktikoa-06ud-dhcp-eta-07ud-http/</link>
		<comments>http://iu22.wordpress.com/2010/01/11/azterketa-praktikoa-06ud-dhcp-eta-07ud-http/#comments</comments>
		<pubDate>Mon, 11 Jan 2010 09:50:49 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[06UD.SSH eta 07UD.HTTP gaien azterketa  Urtarrilak 19 Asteartean izango da.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=226&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>06UD.SSH eta 07UD.HTTP gaien azterketa  Urtarrilak 19 Asteartean izango da.</p>
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		<title>07UD. HTTP zerbitzaria. Apache</title>
		<link>http://iu22.wordpress.com/2010/01/07/apache/</link>
		<comments>http://iu22.wordpress.com/2010/01/07/apache/#comments</comments>
		<pubDate>Thu, 07 Jan 2010 07:45:57 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[Apache instalatzeko: # aptitude install apache2 Kasu batzutan PHP ere beharko dugu. Horretarako: # aptitude install PHP5 OHARRA: Bigarrengo agindu hau apache instalatu gabe dagoen sistema batean egiten bada Apache instalatzeaz gain PHP konfiguratuko du automatikoki. Beraz komenigarriena bigarrengo agindua egitea da. Baina ez bada horrela, eta apache instalatua badugu eta ondoren PHP instaltzen badugu. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=71&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h3>Apache instalatzeko:</h3>
<p># aptitude install apache2</p>
<p>Kasu batzutan PHP ere beharko dugu. Horretarako:</p>
<p># aptitude install PHP5</p>
<p>OHARRA: Bigarrengo agindu hau apache instalatu gabe dagoen sistema batean egiten bada Apache instalatzeaz gain PHP konfiguratuko du automatikoki. Beraz komenigarriena bigarrengo agindua egitea da.</p>
<p>Baina ez bada horrela, eta apache instalatua badugu eta ondoren PHP instaltzen badugu. Apache-PHP konfiguratu beharko dugu. Nola?</p>
<h3>Apache konfigurazio fitxategia:</h3>
<pre>﻿/etc/apache2/apache2.conf</pre>
<p>Editore baten bidez konfiguratu daiteke edo baita grafikoki ere (GUI).</p>
<p>konfiguratzeko informazioa <a href="http://httpd.apache.org/docs/">http://httpd.apache.org/docs/</a></p>
<h3>Ariketak:</h3>
<ol>
<li>HTTP zerbitzari bat instalatu eta ondoren Beste moduluan egindako HTML gunea (edo edozein web orrialde) FTP edo SFTP erabiliz igo eta ondoren <strong><em>http://zerbitzaria/orrialdea.html</em></strong> bezala ikusi.</li>
<li>Web gune bat ostatatzeko (hosting) egin behar dituzuen pausoak deskribatu eta ondoren doako zerbitzu bat kontratatu eta zuen lan bat bertara igo.<br />
Doako ostatatzea aurkitzeko bilaketa terminoak: &#8220;free hosting&#8221;, &#8220;hosting gratis&#8221;, &#8230;</li>
</ol>
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		<title>06UD. SSH zerbitzua</title>
		<link>http://iu22.wordpress.com/2009/12/04/ssh-zerbitzua/</link>
		<comments>http://iu22.wordpress.com/2009/12/04/ssh-zerbitzua/#comments</comments>
		<pubDate>Fri, 04 Dec 2009 06:07:07 +0000</pubDate>
		<dc:creator>irakasleibiltaria</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[SSH Instalazioa Debian batean: # apt-get install openssh-server Zerbitzua hasi/gelditu/hasieratu # /etc/init.d/ssh start &#124; stop &#124; restart Bezero (linux) batetik konektatzeko: # ssh erabiltzailea@192.168.1.1 Aplikazio grafikoak ejetutatzeko: # ssh -X erabiltzailea@192.168.1.1 SCP: Linux batean: $scp erabiltzailea@IP:fitxategia  . (IP makina bateko fitxategia kopiatzen du uneko direktoriora. Horretarako erabiltzailea/pasahitza behar dugu hurruneko makinan) $scp fitxategia  erabiltzailea@IP:fitxategia2 (gure [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=iu22.wordpress.com&amp;blog=4858305&amp;post=38&amp;subd=iu22&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h2>SSH</h2>
<p>Instalazioa Debian batean:</p>
<pre># apt-get install openssh-server</pre>
<p>Zerbitzua hasi/gelditu/hasieratu</p>
<pre># /etc/init.d/ssh start | stop | restart</pre>
<p>Bezero (linux) batetik konektatzeko:</p>
<pre># ssh erabiltzailea@192.168.1.1</pre>
<p>Aplikazio grafikoak ejetutatzeko:</p>
<pre># ssh -X erabiltzailea@192.168.1.1</pre>
<h2>SCP:</h2>
<p>Linux batean:</p>
<pre>$scp erabiltzailea@IP:fitxategia  .</pre>
<p>(IP makina bateko fitxategia kopiatzen du uneko direktoriora. Horretarako erabiltzailea/pasahitza behar dugu hurruneko makinan)</p>
<pre>$scp fitxategia  erabiltzailea@IP:fitxategia2</pre>
<p>(gure fitxategia urruneko makina batetara kopiatzen du eta fitxategia2 izena jartzen dio)</p>
<p>Kasu guztietan hurruneko makinako /home/erabiltzailea direktoriora konektatzen gara.</p>
<p>Guzti hau modu grafikoan egiteko gFTP erabili dezakegu</p>
<pre>$apt-get install gftp</pre>
<p>Windows batean:</p>
<p>Oso aplikazio interesgarria dago <a href="http://winscp.net/">WinSCP</a></p>
<h2>sftp</h2>
<p>Linuxeko Nautilus erabiliz:</p>
<pre>sftp://erabiltzailea@[SSH_zerbitzariaren_IPa]</pre>
<p>Modu horretan SSH zerbitzari batetako fitxategiak kudeatu ditzakegu.</p>
<h2>Putty</h2>
<p><a href="http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html">Putty</a>, Windows batetik SSH zerbitzari batetara konektatzeko balio digu.</p>
<h2>Winscp</h2>
<p><a href="http://winscp.net/eng/index.php">Winscp</a>, scp Windowsetik modu grafikoan egiteko</p>
<h2>Beste Aukerak:</h2>
<ul>
<li>Windows batean ssh zerbitzua instalatzea</li>
<li>Gako publikoa duena (USB batean adibidez) bakarrik sartzeko aukera ematea
<ul>
<li><a href="http://www.google.com/search?hl=en&amp;q=+ssh+private+key">http://www.google.com/search?hl=en&amp;q=+ssh+private+key</a></li>
</ul>
</li>
<li>Windows bezero batean aplikazio grafikoak ejekutatzea (X zerbitzaria behar da):
<ul>
<li>xming + putty</li>
<li><a href="http://sourceforge.net/projects/xming/">http://sourceforge.net/projects/xming/</a></li>
<li><a href="http://www.straightrunning.com/XmingNotes/">http://www.straightrunning.com/XmingNotes/</a></li>
<li>&#8230;</li>
</ul>
</li>
</ul>
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