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[tor-relays] Re: big german provider "Deutsche Telekom" has started blocking access to their SIP servers



And either don't understand the difference between all tor nodes and exit nodes.  Or can't be bothered to find out.

On 2/17/2026 1:10 AM, Juergen Lanzki via tor-relays wrote:
They probably use this blocklist, as do many websites, especially banks and email providers.

https://mxtoolbox.com/problem/blacklist/dan-tor

This means they don't have to monitor internet traffic themselves.



Am 16.02.26 um 23:10 schrieb Marek Küthe via tor-relays:
So that means Deutsche Telekom monitors Internet traffic (or at least
the Tor directory, which contains all the nodes) and detects when a Tor
node is being operated. And if that is the case, TCP access to the SIP
servers is blocked? Or have I misunderstood something here?

On Sat, 14 Feb 2026 13:50:55 -0000
iji--- via tor-relays <tor-relays@xxxxxxxxxxxxxxxxxxxx> wrote:

Hi
a big German provider "Deutsche Telekom" has started blocking access (at TCP layer) to their SIP servers in February 2026.
That means running a middle tor on this provider line results in a non-functional provider SIP service.
You have to choose between running a middle tor or a working provider SIP service.
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