Website using port 85

Steven J. Brown sbrown at valueline.com
Wed Jan 26 14:22:36 UTC 2005


Deron Meranda wrote:

>On Tue, 25 Jan 2005 15:04:11 -0700, dan <info at hostinthebox.net> wrote:
>  
>
>>Steve Brown wrote:
>>    
>>
>>>After learning here on the list that my ISP, Optimum Online, blocks
>>>residential customers from running web servers using port 80, I set up
>>>httpd.conf and my firewall to run my site using port 85.  It works
>>>fine.  Next, I registered a domain with my daughter's name: miabrown.com
>>>through 1and1.com.  I set up the account so that requests for
>>>miabrown.com are forwarded to my server (dynamic IP address, port 85).
>>>
>>>Apparently, at work, they block sites that use a port number other than
>>>80.  In my brower at work, I see the IP address.  What do I need to do
>>>on my server so that it shows the domain name instead of the IP address?
>>>
>>>      
>>>
>>I've hosted http data over the traditional https port of 443.  You can
>>have the server listen for http over port 443, and your work will pass
>>443 (be it ssl data or not) to you.
>>
>>This works with SSH, SMTP, POP... I hate it when my *cough* former
>>*cough* employer blocked all that stuff.
>>    
>>
>
>Ah, the fun of companies that like to port-block and proxy
>everything because of the feeling of power it gives them.
>And you've got two of them in your way.
>
>In general, it's usually pretty easy to get around a firewall, as
>long as you control something on each side.  No matter how
>small of a hole the firewall has, with patience, you can
>squeeze elephants through it.  (And a firewall has to have a
>hole of some sort, or it's just a concrete block, not a firewall).
>But it's all still very annoying.
>
>If it's only yourself at work that wants to access your site then you
>can set up some magic iptables port redirecting to send traffic
>to 443 back through to 85, but only for incoming traffic from your
>company.  The rest of the Internet would work as is, over port
>85.
>  
>
Then I assume that I would have access my site using *ipaddress:port* 
format, right?

[snip...]

[...snip]

>I feel like I should have a disclaimer here...
>  
>
When I browse to other sites such as www.redhat.com, I see the domain 
name in my browser's status bar.  When I browse to my site, however, I 
see my server's IP address.  I thought, perhaps, that if I could fix it 
so that when you browse to my site, you see the domain name (in the 
browser's status bar) instead of the IP address, this might allow my 
site to slip through at work.

Anyway, I am able to VNC to a PC at another location on the network (at 
work) and the blocking doesn't seem to be in effect there, so I do have 
a workaround, for now.

Thanks for your suggestions.


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