I can ping it, but I cannot surf to it.

Hi,

I have a site that I can reach from many computers.

But,on some, I get an error when trying to navigate to it, (but I can
navigate to other sites with no problems).

// -----------------------------------
On Firefox - "The server at www.example.com is taking too long to respond."
On IE8 - "Internet Explorer cannot display the webpage"
// -----------------------------------

But when I ping the site it seems to work

C:\>ping www.example.com
// -----------------------------------
Pinging example.com [xx.xx.xx.xx] with 32 bytes of data:

Reply from xx.xx.xx.xx: bytes=32 time=179ms TTL=48
Reply from xx.xx.xx.xx: bytes=32 time=176ms TTL=48
Reply from xx.xx.xx.xx: bytes=32 time=176ms TTL=48
Reply from xx.xx.xx.xx: bytes=32 time=177ms TTL=48

Ping statistics for xx.xx.xx.xx:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 176ms, Maximum = 179ms, Average = 177ms
// -----------------------------------

Some of the errors given by IE8

// -----------------------------------
...
1) The website is temporarily unavailable.
2)The Domain Name Server (DNS) is not reachable.
3)The Domain Name Server (DNS) does not have a listing for the website's
domain.
...
// -----------------------------------

But :
1) I know the site is up
2) I can ping both name servers, (I only have 2)
3) I have no idea how to test that.

Any suggestions as to wht the problem(s) could be?

Many thanks

FFMG

 

dnsreport, and also stop using IE.

 

can you telnet port 80 on that site?

 

If you are able to ping to your domain but unable to browse it then make sure that http service is not down on your server.

Kailash

 

I did try, but without much luck

telnet example.com 80

Code (markup):

And I wait for a long time, (2, 3 minutes), and then I am returned to the command prompt.
All I get a 'connection to host lost'

FFMG

 

That's what I thought, but I can connect on some machines but not on others.

So I am worried that there is something wrong with the setup that would make it work on some network, but not on stricter networks.

FFMG

 

Actually, I tried FF and Google Chrome, they both return some errors.

I also tried some free DNSrepot alternatives and apart from a few mailserver warnings nothing too alarming.

I also got 2 errors, "Host doesn't reply to ICMP requests" and
"Can't find reverse for the nameserver IP address", but I am not sure what those means.

Maybe they indicate a bigger problem.

FFMG

 

I also did

nslookup example.com

Code (markup):

and it returns

Non-authoritative answer:
Name:   example.com
Address: xx.xx.xx.xx

Code (markup):

All the details are correct.

FFMG

 

Your problem is that the server has port 80 firewalled.
Look up on that issue and you'll solve your problem

 

Interesting...

I will have a look at my server and get back to you.

But I am not sure if that's the problem, because some computers can navigate to the site while others can't.

But I will check.

FFMG

 

i also have the same problem and it started today, i can access all sites on 2 ips but the 3rd ip i can not access the sites but i can ping them with no problem :S

 

Try test if you can reach 127.0.0.1:80 on your server to see if your apache/iis is up and running of course.

--

If telnet to port 80 times out but ping is going then it's a firewall for sure.

Some evil providers/hosters sometimes apply firewalls to their customers that partly kill traffic to reduce bandwidth costs, I doubt this happens for you but it is something everyone should be aware off so they know what's going on in case.

 

Well, I'll be.

The settings for the server were corrupted, and the problem was indeed the firewall.

Still not sure why it worked on some machines and not on others.
But at least it works on all the machines now.

Thanks!

FFMG