yup, read it on linksys' website.
<< Q: Does the Cable/DSL router support ICQ send file?
A: Yes, with the follwing fix:
ICQ menu-> preference -> connections tab->
check "I am behind a firewall or proxy " and set the firewall time out to 80 seconds in firewall setting, then Internet user can send file to user behind router for the first time connection!
>>
works great...xfer and chat