RenitlahHelp
asked on
NETSTAT Question
Hi,
If I do the following:
Check who is ports/connected:
1. Open START>RUN>CMD
2. Type this: "netstat -a" and Press ENTER
3. To Save who is connected, you could save to a text file: netstat -an
|find /i "listening" > c:\currentcons.txt
...then I get a result list like below....what lines tell me who is connected to the computer? I want to use this command on an IIS server to see who is connected. What tells me who is connected or if anyone is connected?
C:\>netstat -a
Active Connections
Proto Local Address Foreign Address State
TCP thaltin-p-mkt:4294 thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:4306 thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:4576 thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:4827 thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:dex_dev1 thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:ms-sql-s localhost:1151 TIME_WAIT
TCP thaltin-p-mkt:1437 localhost:1151 TIME_WAIT
TCP thaltin-p-mkt:1440 localhost:1151 TIME_WAIT
TCP thaltin-p-mkt:netbios-ssn thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:netbios-ssn dexdenp01.dex.uswest.com:4 706 ESTABLISHED
TCP thaltin-p-mkt:3044 denpds01.dexmedia.com:402 ESTABLISHED
TCP thaltin-p-mkt:4290 thaltin-p-mkt.dex.dexmedia .com:0 LISTENING
TCP thaltin-p-mkt:4290 denpvps02.dexmedia.com:net bios-ssn ESTABLISHED
TCP thaltin-p-mkt:4294 dexdenpdc06.dexmedia.com:1 7047 ESTABLISHED
UDP thaltin-p-mkt:401 *:*
UDP thaltin-p-mkt:402 *:*
UDP thaltin-p-mkt:407 *:*
UDP thaltin-p-mkt:microsoft-ds *:*
UDP thaltin-p-mkt:isakmp *:*
UDP thaltin-p-mkt:1026 *:*
UDP thaltin-p-mkt:1027 *:*
UDP thaltin-p-mkt:1028 *:*
UDP thaltin-p-mkt:4609 *:*
UDP thaltin-p-mkt:4633 *:*
UDP thaltin-p-mkt:ntp *:*
UDP thaltin-p-mkt:netbios-ns *:*
UDP thaltin-p-mkt:netbios-dgm *:*
UDP thaltin-p-mkt:1900 *:*
C:\>THANKS!!
If I do the following:
Check who is ports/connected:
1. Open START>RUN>CMD
2. Type this: "netstat -a" and Press ENTER
3. To Save who is connected, you could save to a text file: netstat -an
|find /i "listening" > c:\currentcons.txt
...then I get a result list like below....what lines tell me who is connected to the computer? I want to use this command on an IIS server to see who is connected. What tells me who is connected or if anyone is connected?
C:\>netstat -a
Active Connections
Proto Local Address Foreign Address State
TCP thaltin-p-mkt:4294 thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:4306 thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:4576 thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:4827 thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:dex_dev1 thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:ms-sql-s localhost:1151 TIME_WAIT
TCP thaltin-p-mkt:1437 localhost:1151 TIME_WAIT
TCP thaltin-p-mkt:1440 localhost:1151 TIME_WAIT
TCP thaltin-p-mkt:netbios-ssn thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:netbios-ssn dexdenp01.dex.uswest.com:4
TCP thaltin-p-mkt:3044 denpds01.dexmedia.com:402 ESTABLISHED
TCP thaltin-p-mkt:4290 thaltin-p-mkt.dex.dexmedia
TCP thaltin-p-mkt:4290 denpvps02.dexmedia.com:net
TCP thaltin-p-mkt:4294 dexdenpdc06.dexmedia.com:1
UDP thaltin-p-mkt:401 *:*
UDP thaltin-p-mkt:402 *:*
UDP thaltin-p-mkt:407 *:*
UDP thaltin-p-mkt:microsoft-ds
UDP thaltin-p-mkt:isakmp *:*
UDP thaltin-p-mkt:1026 *:*
UDP thaltin-p-mkt:1027 *:*
UDP thaltin-p-mkt:1028 *:*
UDP thaltin-p-mkt:4609 *:*
UDP thaltin-p-mkt:4633 *:*
UDP thaltin-p-mkt:ntp *:*
UDP thaltin-p-mkt:netbios-ns *:*
UDP thaltin-p-mkt:netbios-dgm *:*
UDP thaltin-p-mkt:1900 *:*
C:\>THANKS!!
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Inter,
what OS are you referring to here?
what OS are you referring to here?
RenitlahHelp,
Oops. Sorry. Too used to Win XP. However the explantion of the Established and Time_Wait statements in the output are still the same.
The Time_Wait state will exist for 4 minutes. This can be adjusted in the registry.
Oops. Sorry. Too used to Win XP. However the explantion of the Established and Time_Wait statements in the output are still the same.
The Time_Wait state will exist for 4 minutes. This can be adjusted in the registry.
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Netstat
Displays protocol statistics and current TCP/IP network connections. This command is available only if the TCP/IP protocol has been installed.
netstat [-a] [-e] [-n] [-s] [-p protocol] [-r] [interval]
Parameters
-a
Displays all connections and listening ports. Server connections are normally not shown.
-e
Displays Ethernet statistics. This may be combined with the -s option.
-n
Displays addresses and port numbers in numerical form (rather than attempting name look-ups).
-s
Displays per-protocol statistics. By default, statistics are shown for TCP, UDP, ICMP, and IP. The -p option can be used to specify a subset of the default.
-p protocol
Shows connections for the protocol specified by protocol; protocol can be tcp or udp. If used with the -s option to display per-protocol statistics, protocol can be tcp, udp, icmp, or ip.
-r
Displays the contents of the routing table.
interval
Redisplays selected statistics, pausing interval seconds between each display. Press CTRL+B to stop redisplaying statistics. If this parameter is omitted, netstat prints the current configuration information once.
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