Re: directing to specific outgoing port

Mumia W. wrote:
On 08/31/2006 12:51 AM, howfuchs@xxxxxxxxx wrote:
I have a command line script which uses php curl to go out to the
internet to retrieve some information. Now this works fine in most
situations except when trying to get of a network where the network
firewall is blocking a range of outgoing ports.I am told by the
'gatekeeper' that the script accesses different ports each time it
tries to get out to the internet. My question is: Can I programatically
direct my script to go out of a specific port that I know is open?

Appreciate any help.

Howard


I can't see anything in the WWW::Curl::easy documentation that shows how to specify the source port. You probably could perform the change at the O/S level.

<OT>
For Linux, you could get the kernel source and read Documentation/networking/ip-sysctl.txt; look at the ip_local_port_range option.

For Windows, ?


I don't think this can be done on Windows. I also don't think your fireawll is blocking your outgoing ports, but looks at the port you're trying to connect to, and blocks it then. It doesn't make sense to block traffic coming from random ports, without knowing what protocol is used.

But... I'm not a firewall expert, so I might be wrong.

Dennis
.

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