J'ai juste ça comme message dans le fichier error.log :
[deflate:debug] [pid 13425] mod_deflate.c(855): [client 172.30.127.2:65517] AH01384: Zlib: Compressed 79 to 72 : URL /ocsreports/index.php
[deflate:debug] [pid 13425] mod_deflate.c(855): [client 172.30.127.2:65517] AH01384: Zlib: Compressed 79 to 72 : URL /ocsreports/index.php