iptables?

[Knute Johnson]

>Knute Johnson kirjoitti viestissään (lähetysaika perjantai, 28. 
>syyskuuta 2007):
>> #-A RH-Firewall-1-INPUT -p 50 -j ACCEPT
>
>> Why are they enabled by default?  Port 50 has
>> no entry in /etc/services, what is it for?
>
>-p 50 is _protocol_ 50, not port 50. See: 
>http://www.iana.org/assignments/protocol-numbers
>http://www.ietf.org/rfc/rfc2402.txt
>http://www.ietf.org/rfc/rfc2406.txt
>http://www.protocols.com/pbook/tcpip5.htm
>
>-- 
> Markku Kolkka
> markku.kolkka at iki.fi

Thanks Markku.  Below is the entry for 50 and 51.  Do you know what 
these are for and do I need them?

    50     ESP         Encap Security Payload            [RFC2406]
    51     AH          Authentication Header             [RFC2402]

-- 
Knute Johnson
Molon Labe...