To Test If Port 80 Is Open

by **s. sengupta** » Tue Jul 01, 2003 4:23 am

If my home page opens in the browser, port 80 is open. If the connection timed out, traffic through port 80 may be blocked.That's it.Port 80 is reserved for incoming http requests, and a client will never bind to it.
Netstat shows you that your server has many threads waiting for input on port 80.

by **Weaver** » Tue Jul 01, 2003 4:47 am

The problem that we are having here sits in our verbage. When you say open, I think of the typical way an "open port" is referred to, a local port being open. This is the industry standard interpretation as well.

I understand what you mean Som, in the future it would be wise to insert a snippet about Port 80 being "filtered" or "firewalled" or "on an ACL (Access Control List)", not "Open". Open generally refers to local ports. I hope we are at a mutual understanding.

-Weaver

by **s. sengupta** » Tue Jul 01, 2003 4:56 am

Thanks Weaver. :yesnod:

Still who are interested to check the port:
visit> http://www.myserver.org/portsniff.asp. Just submit the port and wait for the result. :yesnod:

by **dlt** » Tue Jul 01, 2003 11:44 am

Thanks guys, lot of good information here! :yesnod:

by **SCJwl** » Tue Jul 01, 2003 1:19 pm

Wow, that's great stuff guys!

by **Tao O'Boogie** » Thu Jul 03, 2003 12:48 am

Thanks for the advice i followed the link http://www.myserver.org/portsniff.asp. and tested port 80 with this result "Custom Port 80 Server detected and it is publicly accessible. Your ISP is not blocking this port "
I am running Norton Personal Firewall 2003 and have scanned my system with AdAware and SpySweeper.
Do I have a Trojan? Or do I need to "close" this port, if so how can I do this?
My computer is only used at home on a 56k dialup. Sorry if these questions are "newbie" ones

Thanks

by **SCgone** » Thu Jul 03, 2003 1:05 am

You will have to make a rule to close the port. Go here and scroll down to the section that deals with "Commumcations Protocols and Ports".

Here

by **Tao O'Boogie** » Thu Jul 03, 2003 1:36 am

Wow that was quick

Between my last post and this I went to the Symantec Security Check site and it told me that three ports were open 80, 23, and ICMP Ping. They then went on to suggest that I get a firewall, heh!
I'm off to follow that link thanks Bell1

by ***Starz*** » Thu Jul 03, 2003 2:21 am

Tao wrote:I am running Norton Personal Firewall 2003...Symantec Security Check site told me three ports were open...They then went on to suggest that I get a firewall, heh!

Makes you wonder doesn't it.

Bell...I have a question for you on this...Using ZAP...I have passed every Port Sniffing test I've taken...However everytime I run my Anti-Trojan ap...The report I receive back is that certain ports are open...How can that be...Confused...as I show up in full stealth mode everywhere else...including the link Som posted.

BTW...I am trojan free.

by **Weaver** » Thu Jul 03, 2003 5:32 am

If anyone would like there machine tested by the best port scanning software available let me know. It will be easiest with a static public IP address. The program I will use is called Nmap, it is unbeatable in regard to port scanning. Heck it even made it into the The Matrix: Reloaded. Trinity runs nmap to showcase her "hacking" abilities. Never post your IP on a public forum, PM me if you are interested.

-Weaver

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To Test If Port 80 Is Open

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