Configure TCP ports to open with CSF

JdS · #1 13-Jun-2007, 18:41

Previously, I was using APF to configure the firewall (iptables) of this server, but I had also recently read about ConfigServer Security & Firewall (CSF) for Linux servers.

When the server was replaced earlier this month, I decided try CSF instead, and this is what I did yesterday. I installed the scripts and everything seems to be working okay, so far.

I have a question about opening outward bound TCP ports. I have this tool that needs to access the Internet, what ports (or range of ports) do I open? See the last line below.

Code:

# Lists of ports in the following comma separated lists can be added using a
# colon (e.g. 30000:35000).

# Allow incoming TCP ports
#TCP_IN = "20,21,22,25,53,80,110,143,443,465,953,993,995"
TCP_IN = "20,21,22,25,53,80,110,143,2222,443,32555:32565"

# Allow outgoing TCP ports
TCP_OUT = "20,21,22,25,53,80,110,443"

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