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Re: How do I change my firewall ports to stealth mode?
> The Port 113 was opened because the PF FAQ asked to open it for SMTP
> "Auth/Ident (TCP port 113): used by some services such as SMTP and IRC.
> ICMP Echo Requests: the ICMP packet type used by ping(8). "
I know that this is in the pf faq but I don't think that you really need it. I don't know about IRC but you mentioned only SMTP on your side.
I'm running emailservers for years now and never ran an identd. And my clients don't have an identd running either. I don't think that you need this for smtp nowadays.