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        <title>hackerbruecke.net</title>
        <description>Christophs outsourced brain</description>
        <link>https://www.hackerbruecke.net/</link>
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        <image>
            <url>https://www.hackerbruecke.net/_media/wiki/favicon.ico</url>
            <title>hackerbruecke.net</title>
            <link>https://www.hackerbruecke.net/</link>
        </image>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/commserv/squid/config?rev=1408135491&amp;do=diff</link>
            <description>Squid configuration

*/etc/squid/squid.conf:
icp_port 0
htcp_port 0
hierarchy_stoplist cgi-bin ?
cache_swap_low  90
cache_swap_high 95
maximum_object_size 4096 KB
ipcache_size 1024
ipcache_low  90
ipcache_high 95
fqdncache_size 1024
cache_access_log /var/log/squid/access.log
cache_dir ufs /var/cache/squid 240000 32 256
cache_log /var/log/squid/cache.log
cache_mem 3000 MB
cache_store_log /var/log/squid/store.log
emulate_httpd_log off
mime_table /etc/squid/mime.conf
log_mime_hdrs off
useragent_log…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Fri, 15 Aug 2014 20:44:51 +0000</pubDate>
        </item>
        <item>
            <title>monitoring</title>
            <link>https://www.hackerbruecke.net/linux/email/monitoring/monitoring?rev=1493132284&amp;do=diff</link>
            <description>Monitoring

email-monitoring

	*  create „/var/lib/rrd“

Mailgraph

mailgraph is a very simple mail statistics RRDtool frontend for Postfix that produces daily, weekly, monthly and yearly graphs of received/sent and bounced/rejected mail (SMTP traffic).</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:58:04 +0000</pubDate>
        </item>
        <item>
            <title>amavisd</title>
            <link>https://www.hackerbruecke.net/linux/email/amavisd/amavisd?rev=1493132275&amp;do=diff</link>
            <description>AmaVisd-new

/etc/amavis/amavisd.conf:
use strict;

# a minimalistic configuration file for amavisd-new with all necessary settings
#
#   see amavisd.conf-default for a list of all variables with their defaults;
#   see amavisd.conf-sample for a traditional-style commented file;
#   for more details see documentation in INSTALL, README_FILES/*
#   and at http://www.ijs.si/software/amavisd/amavisd-new-docs.html


# COMMONLY ADJUSTED SETTINGS:

# @bypass_virus_checks_maps = (1);  # uncomment to DI…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:57:55 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/commserv/apache2/config?rev=1293466841&amp;do=diff</link>
            <description>Apache

SSL (https)

A special thing for getting Apache2 starting withaut user-interaction is also to store a decrypted key, since without Apache will ask at every start for the password...

mv /etc/ssl/private/station7_key.pem /etc/ssl/apache2/private/station7_secure-key.pem
openssl rsa -in /etc/ssl/private/station7_secure-key.pem -out /etc/ssl/apache2/private/station7_decrypted-key.pem</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
        </item>
        <item>
            <title>slapd_conf</title>
            <link>https://www.hackerbruecke.net/linux/commserv/ldap/slapd_conf?rev=1293466843&amp;do=diff</link>
            <description>/etc/openldap/slapd.conf

&lt;http://www.stanford.edu/services/directory/openldap/configuration/bdb-config.html&gt;




# The database configuration parameters must appear *after* the &quot;database&quot;
# directive, as DB_CONFIG files are &#039;per backend&#039;.
dbconfig set_cachesize  4 0 1
dbconfig set_lg_regionmax 262144
dbconfig set_lg_bsize 2097152
dbconfig set_lg_dir /var/log
# Automatically remove log files that are no longer needed.
dbconfig set_flags DB_LOG_AUTOREMOVE
# 
# Setting set_tas_spins reduces resour…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:43 +0000</pubDate>
        </item>
        <item>
            <title>sarg</title>
            <link>https://www.hackerbruecke.net/linux/commserv/squid/sarg?rev=1408135580&amp;do=diff</link>
            <description>SARG

/etc/crontab:
### SQUID-Monitoring via Sarg:
00 06-19/1 * * *        root    /usr/local/chhaas-skripts/sarg-reports.sh today &gt; /dev/nul
00 00 * * *     root    /usr/local/chhaas-skripts/sarg-reports.sh daily &gt; /dev/nul
00 01 * * 1     root    /usr/local/chhaas-skripts/sarg-reports.sh weekly &gt; /dev/nul
30 02 1 * *     root    /usr/local/chhaas-skripts/sarg-reports.sh monthly &gt; /dev/nul</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Fri, 15 Aug 2014 20:46:20 +0000</pubDate>
        </item>
        <item>
            <title>lvm_backup</title>
            <link>https://www.hackerbruecke.net/linux/duplicity/lvm_backup?rev=1493131687&amp;do=diff</link>
            <description>LVM-Backup mit Duplicity

Tim Riemenschneider

&lt;http://duplicity.nongnu.org/contrib/tmpback&gt;


#!/bin/sh

# The Archive is encrypted with this (since it is transfered to FTP)
export PASSPHRASE=&quot;foo&quot;
# The FTP-password (not exposed at cmdline
export FTP_PASSWORD=&quot;bar&quot;

# Do a fullbackup weekly
OPTIONS=&quot;--full-if-older-than 14D&quot;
KEEPFULLS=5

# Where to backup to
TARGETBASE=ftp://user@server/backups/
#TARGETBASE=file:///tmp/test

function create_mysql_snap
{
/usr/bin/mysql --defaults-extra-file=/et…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:48:07 +0000</pubDate>
        </item>
        <item>
            <title>lightsquid</title>
            <link>https://www.hackerbruecke.net/linux/commserv/squid/lightsquid?rev=1408135540&amp;do=diff</link>
            <description>Lightsquid-Tool

your access.log look slightly different from standart. may be you use CUSTOM log record. at and of standart record in you log you has addition field  look like:

[User-Agent: TMhtload/1.32.00.1008\r\nAccept: */*\r\nHost: cm-t.activeupdate.trendmi</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Fri, 15 Aug 2014 20:45:40 +0000</pubDate>
        </item>
        <item>
            <title>all</title>
            <link>https://www.hackerbruecke.net/linux/debian/all?rev=1493131598&amp;do=diff</link>
            <description>2014-08-08



zuerst „Debian OS-Basis-Installation auf Blech“ durchfuehren!!!

auf allen Server-Instanzen („Blech“, Linux VServer, LXC):



### Proxy der UKBW fuer die Installations-Shellsitzung setzen:
export http_proxy=„&lt;http://proxy01.ukbw.de:3128/&gt;“

### LiHAS GPG-Key importieren:
wget -O -</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:46:38 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/commserv/php/config?rev=1293466843&amp;do=diff</link>
            <description>PHP5 configuration for GOsa and eGroupWare

eGroupWare

When I added about 250 users to a group in GOsa or in eGroupWare, I encountered the following problem with (open)SUSE 10.2, which I did not encounter with SUSE 10.0: 

station7: suhosin[373]: ALERT - configured request variable limit exceeded - dropped variable \
&#039;account_user[]&#039; (attacker &#039;172.16.130.9&#039;, file &#039;/srv/www/htdocs/egroupware/index.php&#039;)</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:43 +0000</pubDate>
        </item>
        <item>
            <title>pflogsum</title>
            <link>https://www.hackerbruecke.net/linux/email/monitoring/pflogsum?rev=1493132162&amp;do=diff</link>
            <description>Postfix-Reporting mit Pflogsum


apt-get install pflogsum


/usr/local/bin/postfix_report.sh


#!/bin/bash 

/usr/sbin/pflogsumm -d yesterday --problems_first /var/log/mail.log.1 &gt; /tmp/pflogsumm
/usr/bin/mailx -s &quot;Automatischer Postfix-Report von $(hostname)&quot; -r postfix-admin@station7.example.de postfix-admin@station7.example.de &lt; /tmp/pflogsumm</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:56:02 +0000</pubDate>
        </item>
        <item>
            <title>sasl</title>
            <link>https://www.hackerbruecke.net/linux/email/postfix/sasl?rev=1493132202&amp;do=diff</link>
            <description>SASL

A very conveniant way of configuring the Simple Authentication and Security Layer (SASL) is to use the Pluggable Authentication Modules (PAM), since it can use diffrent authentication sources like ldap or /etc/passwd - thus SASL is everything but simple</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:56:42 +0000</pubDate>
        </item>
        <item>
            <title>commserv</title>
            <link>https://www.hackerbruecke.net/linux/commserv?rev=1493132445&amp;do=diff</link>
            <description>This documentation is work in progress, no liability for correctness can be given!  




Communications-Server

Motivation

Because I had to look for a log time around the Internet, asking a lot of questions on mailing-lists, reading books and talking to friends for configuring my commserv, thus having quite a bit of hassle getting things working, I&#039;d like give my experiences back to the comunity.</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 15:00:45 +0000</pubDate>
        </item>
        <item>
            <title>neues_certificate</title>
            <link>https://www.hackerbruecke.net/linux/ejabberd/neues_certificate?rev=1493131703&amp;do=diff</link>
            <description>Neues Zertifikat für ejabberd installieren

neues PEM-File erzeugen:


	*  in CA Certificate und private-Key erzeugen und nach /etc/ejabberd auf jabber-Server kopieren
	*  auf ejabberd-Server in 


cat jabber@ukbw.de-key.pem &gt; ejabberd.pem
cat jabber@ukbw.de-cert.pem &gt;&gt; ejabberd.pem</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:48:23 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/commserv/egroupware/config?rev=1293466841&amp;do=diff</link>
            <description>eGroupWare Version 1.4.001

pre-requisites:

	*  required PHP version 4.3+ (recommended 5+)
	*  php.ini: safe_mode = Off
	*  php.ini: magic_quotes_runtime = Off
	*  php.ini: register_globals = Off
	*  php.ini: memory_limit &gt;= 16M
	*  php.ini: max_execution_time &gt;= 30</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:41 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/commserv/gosa/config?rev=1293466843&amp;do=diff</link>
            <description>GOsa

GOsa is a GPL&#039;ed PHP based administration tool for managing accounts and systems in LDAP databases. It administers users and groups, mail distribution lists, thin clients, applications, phones and faxes. 

Get GOsa from: &lt;http://oss.gonicus.de/pub/gosa/&gt; 

Project homepage: &lt;http://www.gosa-project.org/&gt;</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:43 +0000</pubDate>
        </item>
        <item>
            <title>ldap_secure</title>
            <link>https://www.hackerbruecke.net/linux/commserv/ldap/ldap_secure?rev=1293466843&amp;do=diff</link>
            <description>TLS and LDAP over SSL (ldaps)

Modifying /etc/openldap/ldap.conf

Modify / append the TLS-settings:
#--- SSL/TLS setting ---#
TLSCipherSuite ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv3:+EXP
TLS_CACERT /etc/ssl/certs/ca_cert.pem
TLS_CERT /etc/ssl/certs/station7_cert.pem
TLS_KEY /etc/ssl/private/station7_key.pem
TLS_REQCERT demand</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:43 +0000</pubDate>
        </item>
        <item>
            <title>pam</title>
            <link>https://www.hackerbruecke.net/linux/commserv/ldap/pam?rev=1293466843&amp;do=diff</link>
            <description>/etc/ldap.conf (for PAM)
#
# This is the configuration file for the LDAP nameservice
# switch library, the LDAP PAM module and the shadow package.
#

# Your LDAP server. Must be resolvable without using LDAP.
host	127.0.0.1

# The distinguished name of the search base.
base	dc=example,dc=com

# The LDAP version to use (defaults to 3
# if supported by client library)
ldap_version	3

# Hash password locally; required for University of
# Michigan LDAP server, and works with Netscape
# Directory Ser…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 27 Dec 2010 16:20:43 +0000</pubDate>
        </item>
        <item>
            <title>config</title>
            <link>https://www.hackerbruecke.net/linux/email/cyrus/config?rev=1493131953&amp;do=diff</link>
            <description>Cyrus imapd / popd



&lt;http://www.opensuse.org&gt;Modify /etc/cyrus.conf to:


START {
  recover       cmd=&quot;ctl_cyrusdb -r&quot;
  deliver       cmd=&quot;ctl_deliver -r&quot;
}

SERVICES {
  imap          cmd=&quot;imapd&quot; listen=&quot;imap&quot; prefork=0
  #  imaps                cmd=&quot;imapd -s&quot; listen=&quot;imaps&quot; prefork=0
  pop3          cmd=&quot;pop3d&quot; listen=&quot;pop3&quot; prefork=0
  #  pop3s                cmd=&quot;pop3d -s&quot; listen=&quot;pop3s&quot; prefork=0
  sieve         cmd=&quot;timsieved&quot; listen=&quot;sieve&quot; prefork=2
  # entry must be the same as in th…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:52:33 +0000</pubDate>
        </item>
        <item>
            <title>cyrus_secure</title>
            <link>https://www.hackerbruecke.net/linux/email/cyrus/cyrus_secure?rev=1493131964&amp;do=diff</link>
            <description>TLS, IMAP over SSL (imaps) and pop3 over SSL (pop3s)

TLS

Modify / append the TLS-settings in /etc/imap.conf:
#--- SSL/TLS setting ---#
tls_ca_path: /etc/ssl/certs
tls_ca_file: /etc/ssl/certs/ca_cert.pem
tls_cert_file: /etc/ssl/certs/station7_cert.pem
tls_key_file: /etc/ssl/private/station7_key.pem</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:52:44 +0000</pubDate>
        </item>
        <item>
            <title>postfix_secure</title>
            <link>https://www.hackerbruecke.net/linux/email/postfix/postfix_secure?rev=1493132183&amp;do=diff</link>
            <description>Postfix with TLS and SSL (smtps)

Use a portscanner like „nmap“:
station7:/etc/init.d # nmap localhost | grep smtp
25/tcp   open  smtp


-&gt; smtp is only running at port 25!



TLS

Modify the TLS-settings in /etc/postfix/main.cf
#--- SSL/TLS setting ---#
smtpd_client_restrictions= permit_tls_clientcerts, permit_sasl_authenticated
smtpd_recipient_restrictions =
  permit_mynetworks,
  permit_sasl_authenticated,
  permit_tls_clientcerts,
  reject_unauth_destination,
  check_sender_access hash:/etc/…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 25 Apr 2017 14:56:23 +0000</pubDate>
        </item>
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