Archive

Posts Tagged ‘Iptables’

iptables block country script

April 25th, 2016 No comments

My own server is daily attacked by SSH scanner and bruteforce scripts.
My fail2ban solution

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check_conntrack_unreplied

March 27th, 2013 No comments

Our front end varnish servers expierence a lot of traffic and we currently
must have a iptables NAT that routes from port 80 to port 81, where the varnish daemon listen to traffic. Doing this we end up using the iptables conntrack feature.

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How to setup sshguard

July 12th, 2011 2 comments

How to setup sshguard

Using Iptables and centos or redhat
(another option is to use fail2ban, checkout my howto here )

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NETFILTER PACKET FLOW

March 29th, 2011 No comments

NETFILTER PACKET FLOW (kernel):

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How to setup Samba on CentOS

December 28th, 2009 No comments

How to setup Samba on CentOS/RedHat etc…

Reference to older post (Debian)

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Categories: HowTo, Linux Tags: , , , , , , ,

Squid howto

December 2nd, 2008 2 comments

This week I setup a cool Squid Proxy for our network at the office. What it does?
Follow also the HowTo Setup SquidGuard
1. Caches the websites people visit, so it usess less bandwith and improve performance
2. Allow managers to review web usage,
3. Allow restriction of certain webpages, content etc…

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Iptables howto

December 1st, 2008 No comments

IPTABLES basic commands

List current rules:

# iptables -L -v

Remove all previous rules:
# iptables -F

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