===> Found saved configuration for squid-2.5.6_10
>> squid-2.5.STABLE6-client_db_gc.patch doesn't seem to exist in /usr/ports/distfiles/squid2.5.
>> Attempting to fetch from http://www.squid-cache.org/Versions/v2/2.5/bugs/.
fetch: http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE6-client_db_gc.patch: Requested Range Not Satisfiable
>> Attempting to fetch from ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/distfiles/squid2.5/.
fetch: squid-2.5.STABLE6-client_db_gc.patch: local modification time does not match remote
>> Couldn't fetch it - please try to retrieve this
>> port manually into /usr/ports/distfiles/squid2.5 and try again.
*** Error code 1

Stop in /usr/ports/www/squid.
*** Error code 1