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March 1st, 2002, 09:58 AM
#1
Member
MS DOS: Netstat
When running a netstat -a in DOS to check connection what does Loopback mean? Also, if there is a strange IP address that MS DOS reports as Estblished and no info can be found about it thru somethihng liek neotrace and pings dont come bac, is this something to worry about?
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March 1st, 2002, 10:34 AM
#2
for loopback, use a google search on it , or the other threads here ( iknow i saw it somewhere i'm too lazy to search for it right now)
for the rest jsut post the output of your netstat and delete your ip addresse (just in case)...
also explore the -a -n of netstat
assembly.... digital dna ?
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March 1st, 2002, 10:42 AM
#3
Member
I think you mean the loopbackaddress 127.0.0.1?
If so, that specific address is used to make a connection to your own IP without you need to know what your IP is. I believe it ha it's use for tests and software.
I hope it's worth something, but to be sure, run some searches and find out more 'bout it.
Grtz,
sparkant.
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March 1st, 2002, 11:26 AM
#4
Member
Local address Foreign Address State
2170 Loopback 2171 Established
2171 Loopback 2170 Establisihed
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March 1st, 2002, 11:30 AM
#5
Member
Apparently there's a loop-backed connection present on your system. Your PC is connected to itself from port 2170 to port 2171, thus creating a loopback. Why this loopback is existent, I cannot guess. Try to install a firewall and check it again?
Grtz,
sparkant
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March 1st, 2002, 11:38 AM
#6
According to IANA, 2170 and 2171 are unassigned ports:
http://www.iana.org/assignments/port-numbers
so it is a weird loopback connection.
Let us know what you find.
Cheers,
BrainStop
PS = The IANA is the Internet Assigned Number Authority which is responsible for such things as port assignment for the Internet Protocol
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