Filtered Ports: Difference between revisions

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We currently filter (block) the following ports on all DSL and Dialup connections by default:
== UTOPIA ==
We do not filter any ports for UTOPIA customers.
 
 
== Yellowstone Fiber ==
We do not filter or block any ports on Yellowstone Fiber. However, while we are not filtering any ports, if you need port forwarding, please contact XMission for a static public IP address.
 
 
== Colocation ==
We do not filter any ports for colocation customers.


*135 (tcp, udp)
*137-139 (tcp, udp) NETBIOS
*445 (tcp, udp) Microsoft-DS (CIFS)
*1433, 1434 (udp) MS SQL Server
*4444 (tcp) Worm-sign
*31337 (tcp) BackOrifice


We filter and block these ports by default to cut down on the number of 'drive-by' infections.


Currently at this time we do not have any Filtered Ports for customers on UTOPIA


[[Category:Troubleshooting]]
[[Category:Troubleshooting]]

Latest revision as of 10:09, 16 June 2026

UTOPIA

We do not filter any ports for UTOPIA customers.


Yellowstone Fiber

We do not filter or block any ports on Yellowstone Fiber. However, while we are not filtering any ports, if you need port forwarding, please contact XMission for a static public IP address.


Colocation

We do not filter any ports for colocation customers.

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