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My ISP blocks incoming port 80, so I need to use another port no which I will translate to 80 in the firewall. The problem is I need to go directly to a subdirectory of the webserver, as in

http://pseud.dnsalias.org/exchange

(and I can't make this the default website on that server, because

http://pseud.dnsalias.org

is also used, for a different website).

And apparently you can't use either of these constructions either:

http://pseud.dnsalias.org/exchange:50080

or

http://pseud.dnsalias.org:50080/exchange,

...when I try these I get errors.

So, how do I allow users to reach

pseud.dnsalias.org/exchange

on port 50080? I have set up a redirect (webhop), let's call it mailpseud.dnsalias.org which points to url http://pseud.dnsalias.org/exchange, AND inserted mailpseud.dnsalias.org as a "Host header value" in the IIS properties of the site, but attempting to access it like this

http://mailpseud.dnsalias.org:50080

is no more successful than trying with the full url/subdirectory in the address bar. What am I doing wrong? Is there in fact a way to achieve what I'm trying to do? (If it requires restructuring the websites then so be it - if someone can give me pointers here I'm more than willing to give it a whirl)

Thanks...

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asked Sep 01 at 03:29 PM

ChrisBedford\'s gravatar image

ChrisBedford
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3 answers:

http://pseud.dnsalias.org:50080/exchange should work fine, as long as you have port 50080 forwarded correctly.

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answered Sep 01 at 06:55 PM

Cry Havok\'s gravatar image

Cry Havok ♦
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And you can use a webhop like this:

mailpseud.dnsalias.org  -->  http://pseud.dnsalias.org:50080/exchange/

Edit:

just as if there was no port redirect, i.e. hitting the port 80 block

No, this is nothing to do with the port 80 block, you aren't hitting this, not at all.

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answered Sep 01 at 07:45 PM

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RotBlitz ♦
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OK, thanks guys... I was afraid someone was going to say something like this.

Cry Havok - when I try your suggestion I get a fairly comprehensive (and yet disturbingly unhelpful!) error message - "An error occurredwhen connecting to {...}. SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long). *The page you are trying to view can not be shown because the authenticity of the received data can not be verified *Please contact the web site owners {yada yada yada}" - Apparently this has something to do with the certificate installed in the web server - this is going to be fun to fix but I'll attack it over the weekend... I was hoping the webhop redirect would bypass this problem but, as it happens, not! Too bad :-(

RotBlitz - that gets me nowhere I'm afraid! "504 Gateway timeout" (just as if there was no port redirect, i.e. hitting the port 80 block - more or less as expected, the address bar of Firefox changes to the redirected address, complete with /subdirectory, as the error comes up).

Thanks to both of you for helping me to understand the correct structure of the URL in a situation like this. Much obliged, I'll buy you both a beer :cheers:

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answered Sep 01 at 09:15 PM

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ChrisBedford
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