Difference between revisions of "Filtered Ports"
From XMission Wiki
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| − | == | + | == UTOPIA == |
| − | We currently filter (block) the following ports on all | + | We do not filter any ports for UTOPIA customers. |
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| + | == 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. | ||
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| + | == Colocation == | ||
| + | We do not filter any ports for colocation customers. | ||
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| + | == Dialup == | ||
| + | We currently filter (block) the following ports on all Dialup connections by default: | ||
*19 (udp) chargen | *19 (udp) chargen | ||
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We filter and block these ports by default to cut down on the number of 'drive-by' infections. | We filter and block these ports by default to cut down on the number of 'drive-by' infections. | ||
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[[Category:Troubleshooting]] | [[Category:Troubleshooting]] | ||
Latest revision as of 09:08, 25 January 2023
Contents
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.
Dialup
We currently filter (block) the following ports on all Dialup connections by default:
- 19 (udp) chargen
- 53 (udp) domain - IP addresses that test positive for open recursion DNS servers
- 123 (udp) ntp - IP addresses that test positive for open query NTP servers
- 135 (tcp, udp)
- 137-139 (tcp, udp) NETBIOS
- 445 (tcp, udp) Microsoft-DS (CIFS)
- 1900 (udp) SSDP
- 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.
