Cable Forum - Dynamic IPs

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Cable Forum (https://www.cableforum.uk/board/index.php)

- Virgin Media Internet Service (https://www.cableforum.uk/board/forumdisplay.php?f=12)

- - Dynamic IPs (https://www.cableforum.uk/board/showthread.php?t=5966)

Paul	06-01-2004 15:37

Re: Dynamic IPs

Quote:

Originally Posted by Sociable

AFAIK this is what is meant by a "transparent" proxy ie it is designed not to mask the true IP because at times it is actually essential the true IP gets detected. The problem has been that this appears to not always be the case and the proxies used are not always as "transparent" as they should be.

This is just a guess though and I'm sure one of the Tech experts can provide a more detailed explanation if my guess is incorrect.

I think you will find that a Transparent Proxy is one that is invisible to the client, not the server. In other words the client does not know the proxy is there - it thinks it is talking direct to the server. The server will (as posted above) generally think the request is coming from the proxy, not the client.
That is why most "what is my IP" links give the NTL proxy IP and not the client IP. (e.g. http://www.whatismyip.com/ )

Weltmeister

06-01-2004 16:37

Re: Dynamic IPs

Would a hostname like this: cache2-xxxx.server.ntli.net, where xxx is a location, be an ntl proxy?

Sociable

06-01-2004 16:40

Re: Dynamic IPs

Guess someone that uses the same version of vBulletin (Version 3.0.0 Beta 7) could clarify what the position is not that i'm concerned either way. LOL

All I know is that I use sites that correctly see my true IP and AFAIK this is one of them that is all I was saying.

Paul	06-01-2004 19:06

Re: Dynamic IPs

Quote:

Originally Posted by Weltmeister

Would a hostname like this: cache2-xxxx.server.ntli.net, where xxx is a location, be an ntl proxy?

Yes.

asdf	06-01-2004 19:11

Re: Dynamic IPs

Quote:

Originally Posted by Sociable

All I know is that I use sites that correctly see my true IP and AFAIK this is one of them that is all I was saying.

Maybe you are going through one of the more well behaved proxies?

I know that sometimes my IP appears as my Ip or sometimes as the proxies IP. Depends which proxy I use.

Then again, some people don't even have any proxy, transparent or forced.

John Doe

07-01-2004 12:58

Re: Dynamic IPs

Quote:

Originally Posted by pem

for some reason though some "what is my IP" links give the client IP and dont detect the transparent cache at all. i.e. in all-nettools you just get the client ip and you came via and no remote addy or host.

zovat

07-01-2004 13:21

Re: Dynamic IPs

Quote:

Originally Posted by Weltmeister

Would a hostname like this: cache2-xxxx.server.ntli.net, where xxx is a location, be an ntl proxy?

yep..

Just to add - they may be going through an anonamiser - there are a number of sites that allow you to use them rather like a proxy in order to keep your real IP hidden (and most are pretty effective..) :naughty:

Paul	07-01-2004 15:22

Re: Dynamic IPs

Quote:

Originally Posted by John Doe

Yes, some have been written to detect if a proxy is in use and display the correct IP. hence why I said "most" rather than "all". :)

Mick	07-01-2004 19:17

Re: Dynamic IPs

1 Attachment(s)

Quote:

Originally Posted by BBKing

It's quite possible for a forum to see the proxy IP as the real IP for the end user.

It is very possible as the attached image shows, but it is also possible for a forum to record the actual IP together with the proxy IP.

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