Tag: iptables

Saving and loading iptables rules on Debian

For some reason, Debian can't do "/etc/init.d/iptables save". So, we have to fix something ourselves. I used this article as source, which also has some useful comments. Apparently, the iptables initscript used to exist... Read More »
By halfgaar, 1 month ago, on February 03, 2010, at 14:02 | No comments

Convenient iptables rules

Here are some convenient iptables rules. This first list is for not allowing anything in, accept packets that come back from outgoing connections, complicated related traffic like FTP, everything from the localhost, ICMP (ping and stuff) and SSH. It also sets the default policy to DROP. This you would use on a machine connected directly to the internet. Read More »
By halfgaar, 2 months ago, on January 04, 2010, at 12:01 | No comments

Iptables rule to block access to our IMAP server

When migrating to Zimbra, I don't want people to fiddle with their mail when I'm doing it, so I disable IMAP access from anything but the virtual machine instance in which Zimbra is running. I do that with this: Read More »
By halfgaar, 3 months ago, on December 21, 2009, at 15:12 | No comments