http://smedley.info/os2ports/squid.html
Another port of 2.5s14 is also available (7/4/2006).
http://hobbes.nmsu.edu/cgi-bin/h-search?key=squid
Squid offers high performance proxy caching for Web clients supporting FTP, Gopher, and HTTP requests. From OS2.org.
Source: OS/2 Warp News and Rumors