Thanks for the info on this, you guys, i would not have immediately thought
that some relays use 587 / 465 as an ORPort. Learned something new today,
and i'll be sure exit policy matches any firewall rules that may be
defined, the last thing i want to do is exclude legitimate relays from
connecting through mine just because they picked a common port.

On Fri, Jun 12, 2026 at 4:53 AM Dennis Bronk via tor-relays <
[email protected]> wrote:

> Hi,
>
> I have to agree on this one, figure out which IP addresses are being
> connected to. I have relays running on all kinds of popular ports
> (80,143,443,465,587,995 and some more), I would strongly advise not to
> block ports 465 or 587 as was suggested somewhere earlier in this
> thread. The port you should block, and most likely is already blocked by
> your provider, is port 25. I recognize some of the IP's in this list as
> mine, like 37.221.209.198 for example belongs to 3 of my Hungarian guards.
>
> Kind regards,
>
> Dennis Bronk.
>
>
> On 6/11/26 12:05, Roger Dingledine via tor-relays wrote:
> > On Thu, Jun 11, 2026 at 04:01:49AM -0500, TheMadHacker Schism via
> tor-relays wrote:
> >> That is a bad actor on tor, attempting to send spam email that uses smtp
> >> ports to using your tor node as a relay
> >> [...]
> >>> I have noticed that my firewall registers connection attempts from my
> >>> tor-server on port 465 and 587. My relay performs normally, so it
> appears
> >>> that they have no significance for the operation.
> > Hm, maybe it is the bad actor you describe, but another option is that
> > these are normal Tor relays listening with their ORPort on port 465 or
> > 587. There is nothing sacred about these numbers, and people can pick
> > them for their ORPort, and it could even be a good idea if it means
> > they are reachable from behind firewalls that other destination ports
> > wouldn't allow.
> >
> > There is nothing wrong here, but you are right that some sysadmins
> > might misunderstand what is going on and get upset at you for making
> > connections on that port.
> >
> > There are 31 relays running with their ORPort set to 465:
> >
> > $ grep "^r " cached-consensus |grep " 465 "|cut -d' ' -f7-8|sort -n
> > 31.57.219.143 465
> > 37.221.209.198 465
> > 45.80.171.211 465
> > 45.84.107.101 465
> > 45.84.107.128 465
> > 45.84.107.142 465
> > 45.84.107.172 465
> > 45.84.107.174 465
> > 45.84.107.17 465
> > 45.84.107.182 465
> > 45.84.107.198 465
> > 45.84.107.222 465
> > 45.84.107.236 465
> > 45.84.107.33 465
> > 45.84.107.44 465
> > 45.84.107.47 465
> > 45.84.107.54 465
> > 45.84.107.55 465
> > 45.84.107.74 465
> > 45.84.107.76 465
> > 45.84.107.84 465
> > 45.84.107.97 465
> > 65.108.136.190 465
> > 81.232.160.94 465
> > 95.217.112.245 465
> > 103.167.234.110 465
> > 176.123.3.14 465
> > 194.147.140.101 465
> > 194.147.140.102 465
> > 194.147.140.106 465
> > 194.147.140.107 465
> >
> > and a smaller but still non-zero set listening with their ORPort on 587:
> >
> > $ grep "^r " cached-consensus |grep " 587 "|cut -d' ' -f7-8|sort -n
> > 45.80.171.211 587
> > 45.84.107.142 587
> > 45.84.107.236 587
> > 45.84.107.44 587
> > 45.84.107.84 587
> > 78.34.104.67 587
> > 89.25.152.215 587
> > 89.58.5.0 587
> > 89.58.54.129 587
> > 89.58.56.112 587
> > 94.142.241.153 587
> >
> > --Roger
> >
> > _______________________________________________
> > tor-relays mailing list -- [email protected]
> > To unsubscribe send an email to [email protected]
>
> _______________________________________________
> tor-relays mailing list -- [email protected]
> To unsubscribe send an email to [email protected]
>


-- 
Thanks,

Robert Shults
IT Administrator & Solution Architect
CEO, TheMadHacker LLC
https://themadhacker.net
_______________________________________________
tor-relays mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to