Question

Monitor port tcp 1433 ?

Asked by: SJCA

Hi Experts,

I'm current having an issue with ms sql connection time out with that port. And this problem is happened randomly during the day. Is there any monitor tool out there that can monitor port activity ? I just want to know what happen to that port ? It sounds to me that some other applications/services took over that port but I'm not sure which one.

Thanks.

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Asked On
2009-09-23 at 14:23:10ID24756643
Topics

TCP/IP

,

Miscellaneous Networking

,

Network Auditing Software

Participating Experts
3
Points
500
Comments
6

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Answers

 

by: cakuzoPosted on 2009-09-23 at 14:27:41ID: 25408132

I assume that you are on Windows, therefore I would suggest you to download and install cygwin with some networking packages like netstat.

Than you can easily use bash scripts to monitor that port.

 

by: SJCAPosted on 2009-09-23 at 14:32:37ID: 25408167

I tried cygwin before but it's just too hard to configure. Any other suggestions ?

Thanks.

 

by: stefanxPosted on 2009-09-23 at 14:39:21ID: 25408223

have a look at Wireshark:

http://www.wireshark.org/

 

by: SJCAPosted on 2009-09-23 at 16:17:28ID: 25408928

I've been using wireshark for few months and till new to it. Is there a way to set up to monitor that port with wireshark ?

 

by: stefanxPosted on 2009-09-23 at 16:25:05ID: 25408965

Sorry, I normally only use Wireshark to analyse a tcpdump file where monitoring a specific port or protocol or host or network is trivial. Of course, tcpdump is a Unix thing :( But there must be a way to implement a filter for win-pcap as well and I would think that one sets the filter in Wireshark before proceeding with the capture. I see that the Wireshark FAQ on their website mentions capture filters, so maybe just search for that in Wireshark's helpfile?

 

by: uetian1707Posted on 2009-10-09 at 01:49:38ID: 25533211

Use Wireshark. Click on filter and then select TCP destination port 1433 and then apply the filter. Simple as that. You can get lots of help on wireshark from WiresharkUniversity;

www.wiresharktraining.com

20120131-EE-VQP-002

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