[Pkg-exim4-users] Problems concerning IPv6 Port 25's opening to the Internet

Mon Nov 5 16:05:53 UTC 2012

On Thu, Nov 01, 2012 at 03:22:54AM +0900, Satoru Otsubo wrote:
> (1) First I examined bendel.debian.org.
> (i) Through miredo tunnel.
> # nmap -6 bendel.debian.org -PN
> ......
> 25/tcp   open     smtp
> ......
> 
> (ii) Through the ISP
> # nmap -6 bendel.debian.org
> ......
> 25/tcp   filtered smtp
> ......

Again, please use telnet and tcpdump for more informative output.

Greetings
Marc

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