If you want to view the raw request that NSURLConnection is making, you can use the tcpdump command line tool that is bundled with OSX.

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$ sudo tcpdump -l -q -A "host (Specified Host) and tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)"

Two (semi) obvious notes:

• Replace (Specified Host) in the command above with your host (ie: binarylionstudios.com).
• You cannot use this method to view SSL traffic (port 443).

Stolen directly from: http://www.benzado.com/blog/post/317/dont-printf-when-you-can-tcpdump