Ok, apparently the problem with squidGuard was related to corrupted databases, causing unpredictably behaviour. I recompiled everything and now is working fine. I'll think about the suggestions (ufdbguard and raw squid), and maybe write down a comparison. thanks guys! On Mon, May 20, 2013 at 8:34 AM, Helmut Hullen <Hullen@xxxxxxxxxxx> wrote: > Hallo, Amos, > > Du meintest am 18.05.13: > >>> I have enabled squidGuard within a huge network. > > [...] > >> What are you using squidGuard for anyway? > > There are 2 different options/decisions: > > a) using "redirect"/"rewrite" (as "squidGuard" and "ufdbguard" do) or > using the "squid" options "acl" and "http_access" (as "squidblacklist" > does) > > b) using a long time maintained blacklist (p.e. shallalist or > squidguard.mesd.k12.or.us/blacklists.tgz) or a newer one (as > "squidblacklist" does) and/or using self made lists and/or using lists > from some other places > > Using blacklists is (especially in schools) a job with many legal > implications; people who use them should at least have a "good feeling". > And using something like "squidguard" gives such a "good feeling" - even > when such a program may be technically ugly. But the teacher who uses it > as a helper has to explain this helper to many parents, and sometimes > he/she has to epxlain it to a court of justice (but he never has to > explain it to programmers etc). > > Yes - I know how to circumvent (? - please excuse my gerlish) such > filters like squidguard. > > Viele Gruesse! > Helmut