tnt.aufbix.org

postfix:optimized-configuration

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	/etc/postfix/bogon_networks		/etc/postfix/bogon_networks
-		+	<code>
	# http://www.cymru.com/Documents/bogon-bn-agg.txt		# http://www.cymru.com/Documents/bogon-bn-agg.txt
	0.0.0.0/8 REJECT IP address of MX host is a bogus address		0.0.0.0/8 REJECT IP address of MX host is a bogus address
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	223.0.0.0/8 REJECT IP address of MX host is a bogus address		223.0.0.0/8 REJECT IP address of MX host is a bogus address
	224.0.0.0/3 REJECT IP address of MX host is a bogus address		224.0.0.0/3 REJECT IP address of MX host is a bogus address
		+	</code>

	/etc/postfix/discard_ehelo_map		/etc/postfix/discard_ehelo_map

postfix

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	240.0.0.0/5 REJECT Domain MX in class E reserved network		240.0.0.0/5 REJECT Domain MX in class E reserved network
	248.0.0.0/5 REJECT Domain MX in reserved network		248.0.0.0/5 REJECT Domain MX in reserved network
		+
		+	source - IPv4 bogon list - http://www.cymru.com/Documents/bogon-bn-agg.txt

	==========		==========

linux:debian

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	Delete the file '/var/cache/apt/pkgcache.bin' and re-run 'apt-get update'.		Delete the file '/var/cache/apt/pkgcache.bin' and re-run 'apt-get update'.
		+
		+	==== Create a backup list of packages and resinstall ====
		+
		+	sudo dpkg --get-selections > package_list.txt
		+
		+	Save the text file on a thumb drive, format the drive, reinstall Ubuntu/Debian, then to a
		+
		+	sudo dpkg --set-selections < package_list.txt
		+	sudo apt-get -y update
		+	sudo apt-get dselect-upgrade

irc:xchat

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		+	/set irc_hide_version on\\
		+	Toggle hiding of VERSION reply.
		+
	/set net_throttle off\\		/set net_throttle off\\

utorrent

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	\\		\\
	\\		\\
-	and use [[http://phoenixlabs.org/pg2/\|PeerGuardian]]	+	and use <del>[[http://phoenixlabs.org/pg2/\|PeerGuardian]]</del> [[http://www.peerblock.com/\|PeerBlock]] !

networking:sidebar - Juniper + IPv6

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	* [[:linux:ipv6\|Linux and IPv6 networking]]		* [[:linux:ipv6\|Linux and IPv6 networking]]
	* [[:cisco:ipv6\|Cisco & IPv6]]		* [[:cisco:ipv6\|Cisco & IPv6]]
		+	* [[:juniper:ipv6\|Juniper & IPv6]]
	* [[:networking:tips\|Networking Tips]]		* [[:networking:tips\|Networking Tips]]
	* [[:cisco\|working with cisco]]		* [[:cisco\|working with cisco]]

juniper:ipv6 - created

	current
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	+	===== Enabling IPv6 on Juniper SRX series Issue =====
	+	<code>
	+	rib inet6.0 {
	+	static {
	+	route 0::/0 next-hop 2001:df0:48::1;
	+	}
	+	}
	+	</code>

	+	have to add ''“security forwarding-options family inet6 mode packet-based”'' at the global configuration to have IPv6 routable. \\
	+
	+	SOLUTION :
	+	admin@SRX# set security forwarding-options family inet6 mode packet-based

juniper:sidebar

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	* [[:juniper:mpls\|MPLS on Juniper]]		* [[:juniper:mpls\|MPLS on Juniper]]
	* [[:networking\|Networking]]		* [[:networking\|Networking]]
		+	* [[:juniper:ipv6\|Juniper IPv6 stuff]]

juniper:upload-config - + updated

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	Press Ctrl+D to set the end-of-file marker.		Press Ctrl+D to set the end-of-file marker.

-	To view results of the configuration steps before committing the configuration, type the show command at the user prompt.	+	To view results of the configuration steps before committing the configuration, type the ''show'' command at the user prompt.

-	To commit these changes to the active configuration, type the commit command at the user prompt.You can also edit the configuration interactively using the CLI and commit it at a later time.	+	To commit these changes to the active configuration, type the ''commit'' command at the user prompt.You can also edit the configuration interactively using the CLI and commit it at a later time.

	Note: For this operation to work, you must include replace tags in the text file or in the configuration you type at the terminal.		Note: For this operation to work, you must include replace tags in the text file or in the configuration you type at the terminal.

mysql:custer-data-tables - created

	current
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	+	<note important>STLYLING</note>
	+
	+	How Disk Data Tables work
	+
	+	A set of UNDO logs and data files can be created which are on every data node in the cluster. The UNDO logs bring the disk data back to a consistent point so that during node restart the REDO logs can be replayed when a node is started.
	+
	+	Not all data in a disk table is actually stored on disk, the main two things that are not are indexed columns (the entire column is in main memory, not just the index) and the first 256 bytes of a BLOB/TEXT column. Also columns on disk are fixed length, so your varchar(255) will be the equivalent of a char(255). There are plans to change this in future releases.
	+	How to create Disk Data Tables
	+
	+	To create a Disk Data Table you first need two things, a Logfile Group containing UNDO files and a Tablespace containing data files. Each cluster can only have one Logfile Group but can have multiple Tablespaces. There are in fact two ways to creates Logfile Groups and Tablespaces. The first is using config.ini, if you use this method the files are created upon an initial start of a data node automatically. To do this you need to add the following to the [ndbd default] section of this file:
	+
	+	InitialLogFileGroup = name=lg_1; undo_buffer_size=64M; undo1.log=150M; undo2.log=200M
	+	InitialTablespace = name=ts_1; extent_size=1M; data1.dat=1G; data2.dat=2G
	+
	+	These examples show two files in each grouping but you can have one or more in each group. The extent_size is optional and defaults to 1M if omitted.
	+
	+	The second way of creating these is to use the MySQL client, the following example will create the same as the config.ini settings above:
	+
	+	mysql> CREATE LOGFILE GROUP LG1
	+	ADD UNDOFILE 'undo1.log'
	+	INITIAL_SIZE 150M
	+	UNDO_BUFFER_SIZE 164M
	+	ENGINE NDBCLUSTER;
	+
	+	mysql> ALTER LOGFILE GROUP LG1
	+	ADD UNDOFILE 'undo2.log'
	+	INITIAL_SIZE 200M
	+	ENGINE NDBCLUSTER;
	+
	+	mysql> CREATE TABLESPACE ts_1
	+	ADD DATAFILE 'data1.dat'
	+	EXTENT_SIZE 1M
	+	INITIAL_SIZE 1G
	+	ENGINE NDBCLUSTER;
	+
	+	mysql> ALTER TABLESPACE ts_1
	+	ADD UNDOFILE 'data2.dat'
	+	INITIAL_SIZE 2G
	+	ENGINE NDBCLUSTER;
	+
	+	The ENGINE NDBCLUSTER is required, this is because it is possible in the future to have Logfile Groups and Tablespaces for other engines. It is worth noting here that the undo_buffer_size cannot be increased with an alter table. The only way of doing this is dropping all the Tablespaces and the Logfile Group (and therefore all your disk data) first, this is something else we are working on improving.
	+
	+	Finally to create a disk table you need to do:
	+
	+	CREATE TABLE table_1 (
	+	id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
	+	a VARCHAR(50) NOT NULL,
	+	b DATE NOT NULL,
	+	)
	+	TABLESPACE ts_1 STORAGE DISK
	+	ENGINE NDBCLUSTER;
	+
	+	Or if the table already exists it can be moved into a tablespace using:
	+
	+	ALTER TABLE table_1 TABLESPACE ts_1 STORAGE DISK ENGINE NDBCLUSTER;

mysql:sidebar

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	* [[:mysql:optimization\|SQL Optimization]]		* [[:mysql:optimization\|SQL Optimization]]
	* [[:mysql:hardening\|Securing MySQL]]		* [[:mysql:hardening\|Securing MySQL]]
		+	* [[:mysql:custer-data-tables]]

php

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	make		make
	make install		make install
		+
		+	--without-eaccelerator-use-inode [bug with open_basedir - safe mode]

	* See [[http://eaccelerator.net/SourceInstallationUk\|Instalation from source]]		* See [[http://eaccelerator.net/SourceInstallationUk\|Instalation from source]]

linux:samba

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	add machine script = /usr/sbin/useradd -n -g machines -d /dev/null -s /sbin/nologin %u		add machine script = /usr/sbin/useradd -n -g machines -d /dev/null -s /sbin/nologin %u

		+
		+	<pre>
		+	@ECHO OFF
		+	if %username%==GOST goto izhod
		+	NET USE Z: /HOME /YES
		+	NET USE G: \\SERVER\USERS
		+	NET USE H: \\SERVER\MEDIA
		+	NET TIME \\SERVER /SET /YES
		+	:izhod
		+	</pre>
		+
	<html><pre>		<html><pre>
	pdbedit --pwd-must-change-time=timestamp username		pdbedit --pwd-must-change-time=timestamp username

mysql:optimization - created

	current
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	+	wget -q http://maatkit.org/get/mk-query-digest
	+	perl mk-query-digest /var/log/mysql/mysql-slow.log

php:sidebar

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	* [[:php\|PHP]]		* [[:php\|PHP]]
	* [[:php:memcache\|PHP and Memcache]]		* [[:php:memcache\|PHP and Memcache]]
		+	* [[:nginx:php5-fpm\|PHP-FPM (+ nginx)]]
	====== elsewhere ======		====== elsewhere ======
	* [[http://php-ids.org/\|PHPIDS]]		* [[http://php-ids.org/\|PHPIDS]]
	* [[http://phpsec.org/\|PHP Security Consortium]]		* [[http://phpsec.org/\|PHP Security Consortium]]
	* //article [[http://phpsec.org/articles/2005/password-hashing.html\|Password hashing]]//		* //article [[http://phpsec.org/articles/2005/password-hashing.html\|Password hashing]]//

nginx:php5-fpm

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	# Alternative		# Alternative
-	# CFLAGS="-g -O2 -fno-omit-frame-pointer" CXX="gcc" CXXFLAGS="-g -felide-constructors -fno-exceptions -fno-rtti -O2 -fno-omit-frame-pointer" ../configure --enable-fastcgi --with-fpm --with-libevent=shared,"$LIBEVENT_SEARCH_PATH" --prefix="/usr/local/php-5.2" --disable-short-tags --enable-mbstring --with-mime-magic --with-curl --enable-sockets --enable-pdo --with-pdo-pgsql --with-pdo-mysql --with-pgsql --with-xmlrpc --enable-zip --with-pear --enable-bcmath --with-openssl	+	# CFLAGS="-g -O2 -fno-omit-frame-pointer" CXX="gcc" CXXFLAGS="-g -felide-constructors \
		+	-fno-exceptions -fno-rtti -O2 -fno-omit-frame-pointer" ../configure --enable-fastcgi \
		+	--with-fpm --with-libevent=shared,"$LIBEVENT_SEARCH_PATH" --prefix="/usr/local/php-5.2" \
		+	--disable-short-tags --enable-mbstring --with-mime-magic --with-curl --enable-sockets --enable-pdo \
		+	--with-pdo-pgsql --with-pdo-mysql --with-pgsql --with-xmlrpc --enable-zip --with-pear --enable-bcmath \
		+	--with-openssl
		+
		+	CFLAGS="-g -O2 -fno-omit-frame-pointer" CXX="gcc" CXXFLAGS="-g -felide-constructors -fno-exceptions \
		+	-fno-rtti -O2 -fno-omit-frame-pointer" ../configure --enable-fastcgi --with-fpm \
		+	--with-libevent=shared,"$LIBEVENT_SEARCH_PATH" --prefix="/usr/local/php-5.2" --disable-short-tags \
		+	--enable-mbstring --with-mime-magic --with-curl --enable-sockets --enable-pdo --with-pdo-pgsql \
		+	--with-pdo-mysql --with-pgsql --with-xmlrpc --enable-zip --with-pear --enable-bcmath --with-openssl \
		+	--enable-soap --with-xsl --enable-xmlwriter --with-bz2 --with-curl --enable-gd-native-ttf --with-iconv \
		+	--with-zlib --with-mhash --enable-json --with-mcrypt --with-mysql

-	CFLAGS="-g -O2 -fno-omit-frame-pointer" CXX="gcc" CXXFLAGS="-g -felide-constructors -fno-exceptions -fno-rtti -O2 -fno-omit-frame-pointer" ../configure --enable-fastcgi --with-fpm --with-libevent=shared,"$LIBEVENT_SEARCH_PATH" --prefix="/usr/local/php-5.2" --disable-short-tags --enable-mbstring --with-mime-magic --with-curl --enable-sockets --enable-pdo --with-pdo-pgsql --with-pdo-mysql --with-pgsql --with-xmlrpc --enable-zip --with-pear --enable-bcmath --with-openssl --enable-soap --with-xsl --enable-xmlwriter --with-bz2 --with-curl --enable-gd-native-ttf --with-iconv --with-zlib --with-mhash --enable-json --with-mcrypt --with-mysql
	make		make
	make install		make install

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	* [[:linux:ipv6\|Linux and IPv6 networking]]		* [[:linux:ipv6\|Linux and IPv6 networking]]
	* [[:cisco:ipv6\|Cisco & IPv6]]		* [[:cisco:ipv6\|Cisco & IPv6]]
		+	* [[:juniper:ipv6\|Juniper & IPv6]]
	* [[:networking:tips\|Networking Tips]]		* [[:networking:tips\|Networking Tips]]
	* [[:cisco\|working with cisco]]		* [[:cisco\|working with cisco]]

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	* [[:juniper:mpls\|MPLS on Juniper]]		* [[:juniper:mpls\|MPLS on Juniper]]
	* [[:networking\|Networking]]		* [[:networking\|Networking]]
		+	* [[:juniper:ipv6\|Juniper IPv6 stuff]]

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	* [[:php\|PHP]]		* [[:php\|PHP]]
	* [[:php:memcache\|PHP and Memcache]]		* [[:php:memcache\|PHP and Memcache]]
		+	* [[:nginx:php5-fpm\|PHP-FPM (+ nginx)]]
	====== elsewhere ======		====== elsewhere ======
	* [[http://php-ids.org/\|PHPIDS]]		* [[http://php-ids.org/\|PHPIDS]]
	* [[http://phpsec.org/\|PHP Security Consortium]]		* [[http://phpsec.org/\|PHP Security Consortium]]
	* //article [[http://phpsec.org/articles/2005/password-hashing.html\|Password hashing]]//		* //article [[http://phpsec.org/articles/2005/password-hashing.html\|Password hashing]]//