Dear Sys Admins,

1. I have seen a chain "RH-FIREWALL-1-INPUT" in some
documentation for filter table. Actually it is a
target for INPUT and OUTPUT chain.
Is there any benefit to use it or simply write my
rules in convetional way using iptables. 

2. Second question is very basic. In /etc/services
each service has two protocols tcp and udp. But it is
very clear that some services are based on 'tcp' then
why 'udp' is listed there in front of name of this
service.

Thanks

Have a nice day.

skdubey 

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