# HG changeset patch # User Oleksandr Gavenko # Date 1332792971 -10800 # Node ID b7b83fd554c0a112ec4aae77d3c32752c8ab3a3d # Parent 1b6871f6914acdc2b87aca747484b79ca9b21f35 http://wiki.debian.org/DebianIPv6 diff -r 1b6871f6914a -r b7b83fd554c0 net.rst --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/net.rst Mon Mar 26 23:16:11 2012 +0300 @@ -0,0 +1,153 @@ +.. -*- coding: utf-8; -*- + +========== + Network. +========== +.. contents:: + +Ukraine internet provider. +========================== + +Utel. +----- + +User - none, password - none, phone - ``*99***1#`` or ``*99#``. + +Peoplenet. +---------- + +User and password you get by sending SMS message to ``920`` number. Phone ``#777``. + +DNS to IP address. +================== +:: + + $ nslookup example.com + +IP to DNS address. +================== +:: + + $ nslookup 192.168.1.1 + +NetBIOS to IP address. +====================== + +By nbtstat.exe command from MS you can print NetBIOS name cache with +name-to-IP address mappings:: + + $ nbtstat -c + +List of NetBIOS name. +===================== +:: + + $ nbtstat -r + +List of open ports. +=================== + +List of open ports under Windows. +--------------------------------- +:: + + cmd> netstat # with DNS name resolution, TCP only + cmd> netstat -n # without name resolution, TCP only + cmd> netstat -a -n # TCP and UDP + cmd> netstat -s # show IP, ICMP, TCP, and UDP statistics. + +List of open ports under Linux. +------------------------------- + +-t tcp, -u udp, -l local, -p process:: + + $ sudo netstat -tulp + +or to use port number instead of protocol name:: + + $ sudo netstat -tulpn + +Which processes open port? +========================== + +Windows +------- +:: + + cmd> netstat -o # show PID + cmd> netstat -b # show also cmd name + cmd> netstat -b -v # show all modules (.exe and .dll) with full path + +Linux. +------ +:: + + $ sudo netstat -tulpn + +or:: + + $ sudo lsof -i + +How disable IPv6? +================= + +Debian kernel 2.6/Ubuntu ("official" method)/Fedora Core. +--------------------------------------------------------- + +Comment in /etc/modprobe.d/aliases "alias net-pf-10 ipv6" and add alias +"net-pf-10 off", "alias ipv6 off":: + + $ sudo emacs /etc/modprobe.d/aliases + ... + $ cat /etc/modprobe.d/aliases + ... + # alias net-pf-10 ipv6 + alias net-pf-10 off + alias ipv6 off + ... + +Reboot or:: + + $ sudo update-modules + +Another way is adding to /etc/modprobe.d/blacklist.local lines:: + + blacklist ipv6 + +You can safely wipe out any IPv6 reference in ``/etc/hosts`` and +``/etc/network/interfaces``. + + http://wiki.debian.org/DebianIPv6 + DebianIPv6 + +RHEL4/Centos4. +-------------- + +As for Debian, but ``/etc/modprobe.d/aliases`` has name ``/etc/modprobe.conf``. + +KDE. +---- +:: + + $ cat /etc/environment + ... + KDE_NO_IPV6=true + ... + +Firefox. +-------- + +See ``about:config`` page, set ``network.dns.disableIPv6`` to ``true``. + +Clear saved Windows networking passwords. +========================================= +:: + + cmd> rundll32.exe keymgr.dll, KRShowKeyMgr + cmd> control userpasswords2 # another way + +Proxy auto-config. +================== + + http://en.wikipedia.org/wiki/Proxy_auto-config +