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Port 27015 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 27015 |
tcp |
steam |
GoldSrc and Source engine dedicated server port
Ports 27000 to 27040 are typically used by online games.
Steam (Valve gaming platform) uses these ports:
27000-27015 udp (Steam client game client traffic)
27015-27030 tcp/udp (typically matchmaking and HLTV, also used to download Steam content)
27031 udp, 27036 tcp/udp, and 27037 tcp (incoming for in-home streaming)
3478 udp, 4379 udp, 4380 udp (outbound - Steamworks P2P networking and voice chat)
4380 udp (Steam client)
Games:
Half-Life and its mods, such as Counter-Strike
Empire: Total War (The Creative Assembly)
Left 4 Dead (Valve Corporation)
Team Fortress 2 (Valve Corporation) |
SG
|
| 27015 |
udp |
applications |
Ports 27000 to 27040 are typically used by some online games.
Steam (Valve gaming platform) uses these ports:
27000-27015 udp (Steam client game client traffic)
27015-27030 tcp/udp (typically matchmaking and HLTV, also used to download Steam content)
27031 udp, 27036 tcp/udp, and 27037 tcp (incoming for in-home streaming)
3478 udp, 4379 udp, 4380 udp (outbound - Steamworks P2P networking and voice chat)
4380 udp (Steam client)
The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.6 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a backslash character at the end of a connection string to UDP port 27015.
References: [CVE-2006-0734] [BID-16619]
The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.1.1.0 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a certain connection string to UDP port 27015 that represents "absence of player informations," a related issue to CVE-2006-0734.
References: [CVE-2003-1325]
Call of Duty: Modern Warfare is vulnerable to a denial of service, caused by an error in the online multiplayer functionality. By sending a specially-crafted datagram to UDP port 27015, a remote attacker could exploit this vulnerability to cause the server to crash.
References: [XFDB-80011], [BID-56475], [SECUNIA-51280] |
SG
|
| 27015 |
tcp,udp |
|
Half-Life and its mods, such as Counter-Strike (unofficial) |
Wikipedia
|
| 27015 |
udp |
halflife |
Half-Life Game Server |
SANS
|
| 1200,27000-27015 |
udp |
applications |
Counter Strike |
Portforward
|
| 27015-27020 |
udp |
applications |
Dark Messiah of Might and Magic Steam Client |
Portforward
|
| 27015 |
tcp |
applications |
Dark Messiah of Might and Magic Steam Client |
Portforward
|
| 1200,27000-27015 |
udp |
applications |
Day of Defeat Source |
Portforward
|
| 6003, 7002, 27010, 27015, 27025 |
udp |
applications |
Half Life |
Portforward
|
| 1200,27000-27015 |
udp |
applications |
Half Life 2 Steam |
Portforward
|
| 27015,27020 |
udp |
applications |
Half Life 2 Steam Server |
Portforward
|
| 1200,27000-27015 |
udp |
applications |
Half Life Steam |
Portforward
|
| 27015,27020 |
udp |
applications |
Half Life Steam Server |
Portforward
|
| 27015 |
tcp,udp |
applications |
Rag Doll Kung Fu Server |
Portforward
|
| 27015 |
tcp |
applications |
Steam Server |
Portforward
|
| 27015 |
udp |
halflife |
Half-life game server |
Nmap
|
| 27000-27050 |
tcp,udp |
games |
Ports 27000 to 27050 are typically used by some online games.
Steam (Valve gaming platform) uses these ports:
27000-27015 udp (Steam client game client traffic)
27015-27030 tcp/udp (typically matchmaking and HLTV, also used to download Steam content)
27031 udp, 27036 tcp/udp, and 27037 tcp (incoming for in-home streaming)
3478 udp, 4379 udp, 4380 udp (outbound - Steamworks P2P networking and voice chat)
4380 udp (Steam client) |
SG
|
| 27015-27020 |
udp |
applications |
Dark Messiah of Might and Magic Steam Client |
Portforward
|
| 27010-27344 |
tcp,udp |
|
Unassigned. "Unauthorized Use Known on ports 27017 |
IANA
|
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19 records found
Related ports: 27010 27014 27017 27020 49181
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