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Port 1 Details
known port assignments
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 1 |
udp |
tcpmux |
IANA assigned to TCP Port Service Multiplexer.
Sockets des Troie remote access trojan uses this port (a.k.a. Backdoor.Sockets23, Lame, Backdoor.Kamikaze, IRC_trojan, TROJ_Backdoor, W32/Cheval.gen, coded in Delphi 3, 06.1998). It might also use ports 1/udp, 5000, 5001, 30303, 50505, 60000 and 65000. |
SG |
| 1 |
tcp |
tcpmux |
Scans against this port are commonly used to test if a machine runs SGI Irix (as SGI is the only system that typically has this enabled). This service is almost never used in practice.
CERT: CA-95.15.SGI.lp.vul
RFC1078 -TCPMUX acts much like Sun's $/Exploits/Ports/111$portmapper$ or Microsoft's $/Exploits/Ports/135$end-point mapper$ in that it allows services to run on abitrary ports. In the case of TCPMUX, however, after the "lookup" phase, all further communication continues to run over that port. |
SG |
| 1 |
tcp,udp |
|
TCP Port Service Multiplexer (official) |
Wikipedia |
| 1 |
udp |
trojan |
Sockets des Troie |
Trojans |
| 1 |
tcp,udp |
tcpmux |
TCP Port Service Multiplexer |
IANA |
| 1 |
tcp |
tcpmux |
TCP Port Service Multiplexer [rfc-1078] |
SANS |
| 1 |
udp |
SocketsdesTroie |
[trojan] Sockets des Troie |
SANS |
| 1 |
udp |
tcpmux |
TCP Port Service Multiplexer |
SANS |
| 1 |
tcp |
tcpmux |
TCP Port Service Multiplexer [rfc-1078] |
Nmap |
| 1 |
udp |
tcpmux |
TCP Port Service Multiplexer |
Nmap |
10 records found
« back to SG Ports
External Resources
SANS Internet Storm Center: port 1
tantalo.net port assignments: port 1
GRC: port 1
Notes:
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol. TCP is one of the main protocols in
TCP/IP networks. Whereas the IP protocol deals only with packets, TCP enables two hosts
to establish a connection and exchange streams of data. TCP guarantees delivery of data
and that packets will be delivered in the same order in which they were sent.
Guaranteed communication is the key difference between TCP and UDP.
UDP ports use the Datagram Protocol, a communications protocol for the Internet network,
transport, and session layers. Like TCP (Transmission Control Protocol),
UDP is used with IP (the Internet Protocol) and makes possible the transmission of datagrams
from one computer to applications on another computer, but unlike TCP, UDP is connectionless
and does not guarantee reliable communication; it's up to the application that received
the message to process any errors and verify correct delivery.
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