On Thu 11.Aug'16 at 22:38:13 +1200, Amos Jeffries wrote: > On 11/08/2016 7:04 p.m., C. L. Martinez wrote: > > Hi all, > > > > I am doing some modifications in refresh_patterns rules in a squid host (release 3.5.20) and it seems they are working, with the exception of this one: > > > > refresh_pattern -i \.(rar|jar|gz|tgz|tar|bz2|iso|m1v|m2(v|p)|mo(d|v)|(x-|)flv) 129600 80% 129600 override-expire override-lastmod reload-into-ims ignore-reload > > > > When I run 'squid -k parse' returns me the following error: > > > > 2016/08/11 06:57:33| /etc/squid/squid.conf line 173: refresh_pattern -i \.(rar|jar|gz|tgz|tar|bz2|iso|m1v|m2(v|p)|mo(d|v)|(x-|)flv) 129600 80% 129600 override-expire override-lastmod reload-into-ims ignore-reload > > 2016/08/11 06:57:33| refreshAddToList: Invalid regular expression '\.(rar|jar|gz|tgz|tar|bz2|iso|m1v|m2(v|p)|mo(d|v)|(x-|)flv)': empty (sub)expression > > > > Searching where I am doing the mistake, I don't find any problem with "\.(rar|jar|gz|tgz|tar|bz2|iso|m1v|m2(v|p)|mo(d|v)|(x-|)flv)". Where am I doing the mistake?? > > > > That pattern works fine for me. Must be something to do with the regex > library on your system. > > I think the error message is about the (x-|)flv piece. The absence of > anything between | and ) is the only bit that coudl be called an 'empty > sub-expression' there. You might have to change that to x-flv|flv. Perfect!!! .. That was, thanks Amos. > > > > On the other side, I see the following warnings also: > > > > 2016/08/11 06:57:33| WARNING: use of 'override-expire' in 'refresh_pattern' violates HTTP > > 2016/08/11 06:57:33| WARNING: use of 'override-lastmod' in 'refresh_pattern' violates HTTP > > 2016/08/11 06:57:33| WARNING: use of 'reload-into-ims' in 'refresh_pattern' violates HTTP > > 2016/08/11 06:57:33| WARNING: use of 'ignore-reload' in 'refresh_pattern' violates HTTP > > > > I have enabled these options "override-expire override-lastmod reload-into-ims ignore-reload" on some other patterns. Is this wrong?? > > Those are WARNINGs. Not an error. They instruct Squid to do things which > are outside the HTTP specification. You may encounter trouble with some > traffic because of that changed behaviour. > > The warnings are there to make sure you awre aware something risky is > being done, and when you run into trouble with those options it is > probably not Squid bugs but your choice to violate the standard HTTP > behaviour which caused it. > > Amos Understood. I will remove those options, then. Many thanks. -- Greetings, C. L. Martinez _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users