Firewall
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What does mean "iptable log messages" in a log file?Computer/linux 2009. 1. 12. 23:38
Two references are below http://ubuntuforums.org/archive/index.php/t-102349.html http://search.cpan.org/~paulv/POE-Filter-Log-IPTables-0.02/IPTables.pm Sometime, in kern.log or dmesg contain the following message by issuing "ufw" more precisely iptable. [UFW BLOCK INPUT]: IN=eth0 OUT= MAC=*************** SRC=*.*.*.* DST=**.**.***.*** LEN=52 TOS=0x00 PREC=0x00 TTL=42 ID=23860 DF PROTO=TCP SPT=800..
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Make a secure PC with sshd and ufwComputer/linux 2008. 8. 20. 04:47
sshd configuration open /etc/ssh/sshd_config file, change and add the following lines LoginGraceTime 60 PermitRootLogin no MaxAuthTries 3 AllowUsers user_name MaxStartups 3:50:10 LoginGraceTime The server disconnects after this time if the user has not suc- cessfully logged in. If the value is 0, there is no time limit. The default is 120 seconds. MaxAuthTries Specifies the maximum number of aut..
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Simple firewall program - FirestarterComputer/linux 2008. 4. 26. 19:11
Xterm or Gnome terminal 1. apt-cache show firestarter Package: firestarter Priority: optional Section: universe/admin Installed-Size: 1964 Maintainer: Ubuntu MOTU Developers Original-Maintainer: Paul Cupis Architecture: amd64 Version: 1.0.3-6ubuntu3 Depends: gconf2 (>= 2.10.1-2), gksu (>= 0.8.5), iptables (>= 1.2.11), libart-2.0-2 (>= 2.3.18), libatk1.0-0 (>= 1.20.0), libbonobo2-0 (>= 2.15.0), l..