On Wed, Apr 18, 2012 at 2:29 PM, Henrik Nordström <henrik@xxxxxxxxxxxxxxxxxxx> wrote: > ons 2012-04-18 klockan 14:03 +0500 skrev Ahmed Talha Khan: > >> Thanks for the info. I am aware but that these are TCP level >> identifiers. I digged into it and saw that class HttpRequest has >> members client_ip, host_ip, port and my_addr. Client_ip is very >> obvious and i can see that the X-Client-IP field is populated with it. >> What about the following fields >> >> host_ip: is this the ip of the origin server to which the request is >> going? And will it remain same in the response? > > Not sure. Can't find any host_ip in my sources. Which version are you > looking at? The field name is host_addr in the HttpRequest class. I mistakenly wrote host_ip. I am using 3.1.19 sources. > > But the destination server destination IP is not known until the request > is forwarded, and then only if the request is forwarded directly and not > via another proxy. Until then the destination is the requested host > name. What do you mean by until- then here? Does this have to do with the vectoring point, ICAP coming in PRE_CACHE before the request going out? > >> port: is this the port from which the request originated? Source port >> of the request? What will be the value in response from the server? > > port is the port number from parsing the requested URL. > >> my_addr: This seems like the ip on which squid is listening. Correct >> me if i am wrong > > Yes. > >> How to get destination port. It is either http (80) or https(443). But >> how can i differentiate? How do i know what was the destination port >> of the request? > > proxy requests are sent to the proxy, not the destination server. HTTP > requests are addressed by the requested URL not IP:PORT. > > The URL tells which host name and port the request is targeted at. > > Regards > Henrik > -- Regards, -Ahmed Talha Khan
