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iptables help Hi, Is that matter if I placed the options/extensions ( -m and -p ) in different orders ? Please tell me these 4 configurations make any difference ... in term allows ssh to my workstation. -A INPUT -s 1.2.3.0/24 -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -s 1.2.3.0/24 -m tcp -p tcp --dport 22 -j ACCEPT ... 8 Apr 2008 16:28
Confused about defining a gateway I have a Linux box with two NICs; one for my LAN and the other for the external world. The latter is in the 192.168.2 network (IP address 192.168.2.2) directly connected by a cable to another device in the same network (IP address 192.168.2.1.) In turn, this device also has two NICs, and via its second NIC (IP... 8 Apr 2008 16:28
How to detect that a USB disk has been plugged? My server is in a remote site and I have ssh access only. I had a colleague plug an USB disk into the server and would like to mount it. I was hoping that the insertion of the disk would generate some log message but that doesn't seem to be the case. I only looked in /var/ log/messages, btw. My second approa... 8 Apr 2008 23:42
UDP port in use Hi I am testing my network software and it crashes some times. My software crashed and did not free UDP port. I think that kernel structures still hold the information for that port. /proc/net/udp has line that includes some info. I killed my software/process but still the line is in /proc/net/udp. And whe... 8 Apr 2008 21:18
Regular Expression Sorry, this may not be the best newsgroup, but it is the most Linux savvy of any I know. I'm trying to figure out a regular expression to match a line with more than 2 '-' characters in it. Is this possible? Dan ... 14 Apr 2008 03:54
Packets not traversing the POSTROUTING table? Hi, I'm running into a strange issue here. I'm not sure if I have done something wrong, or if am simply misunderstanding things. I have added a very simple rule in my POSTROUTING nat table to log all packets, but the packets I am looking to find don't show up in my log file. If I initiate the packets from ... 8 Apr 2008 04:52
Converting your favorite MP3 song to Cisco IP phone ringtone http://pandaeatsbamboo.blogspot.com/2008/02/converting-your-favorite-mp3-song-to.html ... 7 Apr 2008 11:59
OpenSSL Cheatsheet http://pandaeatsbamboo.blogspot.com/2008/03/openssl-cheatsheet.html ... 7 Apr 2008 11:59
rDesktop basics http://pandaeatsbamboo.blogspot.com/2008/02/remote-desktop-from-linux-rdesktop.html http://pandaeatsbamboo.blogspot.com/2008/03/share-clipboard-and-map-network-drive.html ... 7 Apr 2008 11:27
How to PREVENT a user from logging in through SSH Given prevalence of SSH dictionary attacks, I want to fortify my systems a little. I have several local (inside the house) users who I do NOT want to be able to log on from outside via ssh. I would like to disable any remote SSH logins for these users. How can I do that? thanks ... 15 Apr 2008 11:32 |