I am running nginx-0.7.64 and my nginx.conf includes "user nginx nginx;" If I rotate logfiles and send SIGUSR1, new logfiles are created owned by user=nginx group=root (rather than group=nginx as I had expected). I looked at the source and I think that the problem is in ngx_file.c: ngx_int_t ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user) { // ... if (fi.st_uby robtinsley - Nginx Mailing List - English