[Xitami] Multi server issue

Wed Mar 26 01:11:27 CET 2008

So what you are saying if I do a port scan on my server with 28 IP addresses
bound to my one NIC card I should see 29 port 80's is that correct? Last
time I checked when I did a port scan I only saw one port 80. Hmmm I wonder
why that is?????  I can't get more than one server to run on port 80 no
matter how many IP addresses I have.  Oh and I'm pretty sure that the Port
is part of the TCP and UDP header not part of the IP Address.  I'll go back
and look at my network training material just to make sure it's been awhile
so I could be wrong.

Ron

From: xitami-bounces at lists.xitami.org
[mailto:xitami-bounces at lists.xitami.org] On Behalf Of R O
Sent: Tuesday, March 25, 2008 7:51 PM
To: Xitami Users General Discussion
Subject: Re: [Xitami] Multi server issue

Ron: 

As everyone keeps trying to say, TCP Port 80 is a product of TCP/IP - not a
product of 3Com NIC or BroadBand NIC cards.  Its also NOT a product of
Windows or MAC or UNIX or a router.  TCP Ports can only exist IF an IP
address is present.  Each IP has its own 64,000 range of Ports. 

In Apache:
http://modperlbook.org/html/12-1-mod_perl-Deployment-Overview.html

The section that starts with "One Machine, Two IP Addresses"....when they
say Machine/Computer, they mean NIC.

Russel P. Olinger 
rolinger1 at hotmail.com

> From: ronackgen01 at bellsouth.net
> To: xitami at lists.xitami.org
> Date: Tue, 25 Mar 2008 19:32:29 -0400
> Subject: Re: [Xitami] Multi server issue
> 
> Wikipedia was my first stop dude and then the over 100 pages after that
and
> I did not find one that said there was more than one port 80. And that
Wiki
> article surely didn't address more than one port 80. And I tried it on my
> server it just to see for myself and it didn't work. Tell me you have it
> working and how you got it to work and I'll try it on my server and eat
crow
> if it does.
> 
> 
> WELL KNOWN PORT NUMBERS
> 
> The Well Known Ports are assigned by the IANA and on most systems can
> only be used by system (or root) processes or by programs executed by
> privileged users.
> 
> Ports are used in the TCP [RFC793] to name the ends of logical
> connections which carry long term conversations. For the purpose of
> providing services to unknown callers, a service contact port is
> defined. This list specifies the port used by the server process as
> its contact port. The contact port is sometimes called the
> "well-known port".
> 
> 
> Ron
> 
> 
> 
> -----Original Message-----
> From: xitami-bounces at lists.xitami.org
> [mailto:xitami-bounces at lists.xitami.org] On Behalf Of Magnus Wedberg
> Sent: Tuesday, March 25, 2008 7:04 PM
> To: Xitami Users General Discussion
> Subject: Re: [Xitami] Multi server issue
> 
> General wrote, On 2008-03-25 23:41:
> > Show me some documentation that says you can have more than one port 80
> > listening
> [snip]
> > If you have documentation that states otherwise please show me.
> 
> Lol, beautiful. "Show me some documentation". Why not go out and try 
> learning something? If you don't believe me OR the Xitami config file 
> (!) OR the Apache config file /dealing with how to accomplish this very 
> thing/, by all means live in ignorance. If you actually want to learn 
> something, PLEASE begin with reading the very simple explanation at
> http://en.wikipedia.org/wiki/Tcp_port
> (which you yourself could have found googling for one second, or just 
> trying to search the natural sources of information) and especially try 
> to understand this sentence
> 
> "Processes implement connections to TCP and UDP ports by means of 
> sockets. A socket is a transport end-point, which a process can create 
> and then bind to a socket address; in TCP or UDP, a socket address 
> consists of a combination of a port and an IP address."
> 
> It can't be explained in a simpler way. If you don't understand that, 
> please feel free to disregard everything I've said and believe anything 
> that fits you, because then you're truly beyond help.
> 
> I'm all for learning people more about networking (even the most basic 
> things), but when people start posting obnoxious and ignorant posts 
> about something they should know if they actually had any business 
> running servers on the net, I get pretty tired. This will be my last 
> post on the subject, someone with (much) more patience and time could 
> take over trying to explain the absolute basics of TCP/IP.
> 
> Oh, and by the way, you mention that you didn't manage to get Xitami 
> working this way. I have a very simple explanation for that, that 
> doesn't involve Xitami, your computer, or the fundamentals of TCP/IP 
> being broken.
> 
> -- 
> Magnus Wedberg
> http://www.magnuswedberg.com/
> mw AT 9000.org
> Warning! Objects in viewfinder may be closer than they appear.
> 
> 
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