Groups > comp.unix.bsd.freebsd.misc > #4050

Re: outgoing tcp port 25 blocked? how to prove it?

From	Bob Eager <news0009@eager.cx>
Newsgroups	comp.unix.bsd.freebsd.misc, comp.unix.programmer, comp.misc
Subject	Re: outgoing tcp port 25 blocked? how to prove it?
Date	2024-10-19 19:43 +0000
Message-ID	<lnigerF24ckU6@mid.individual.net> (permalink)
References	<87o73h4if7.fsf@tudado.org> <yded4dhrmr.fsf@UBEblock.psr.com> <87plnwz40w.fsf@wimezu.com>

Cross-posted to 3 groups.

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On Sat, 19 Oct 2024 09:11:11 -0300, Lesley Esen wrote:

> That's the public IP address, yes.  This is typical on the AWS network.
> Each instance gets a private and a public IP address.  I never see the
> public IP address in the instance, but the packets must be being
> rewritten by the AWS network because I can communicate with the outside
> world just fine.

AS a data point ... I ran an outbound mail server on an AWS instance 
(FreeBSD) for four years (I stopped because I now have fast access at 
home).

It connected with a mail server run by me, though. So I wonder if it's 
your ISO blocking an AWS IP range.

-- 
Using UNIX since v6 (1975)...

Use the BIG mirror service in the UK:
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Thread

outgoing tcp port 25 blocked? how to prove it? Lesley Esen <lesen@wimezu.com> - 2024-10-18 11:03 -0300
  Re: outgoing tcp port 25 blocked? how to prove it? Winston <wbe@UBEBLOCK.psr.com.invalid> - 2024-10-18 20:18 -0400
    Re: outgoing tcp port 25 blocked? how to prove it? Lesley Esen <lesen@wimezu.com> - 2024-10-19 09:11 -0300
      Re: outgoing tcp port 25 blocked? how to prove it? John Levine <johnl@taugh.com> - 2024-10-19 18:40 +0000
        Re: outgoing tcp port 25 blocked? how to prove it? Lesley Esen <lesen@wimezu.com> - 2024-10-19 19:13 -0300
      Re: outgoing tcp port 25 blocked? how to prove it? Bob Eager <news0009@eager.cx> - 2024-10-19 19:43 +0000

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