You might simply want to google it (e.g. "mod_perl internal dummy connection")
https://knackforge.com/blog/sivaji/mitigating-apache-internal-dummy-connection-issue Best regards, Holger On 5. Jun 2017, at 08:31, Peng Yonghua <p...@vodafonemail.de<mailto:p...@vodafonemail.de>> wrote: I saw many items like these in log, ::1 - - [05/Jun/2017:14:29:06 +0800] "OPTIONS * HTTP/1.0" 200 125 "-" "Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.21 mod_apreq2-20090110/2.8.0 mod_perl/2.0.8 Perl/v5.18.2 (internal dummy connection)" ::1 - - [05/Jun/2017:14:29:07 +0800] "OPTIONS * HTTP/1.0" 200 125 "-" "Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.21 mod_apreq2-20090110/2.8.0 mod_perl/2.0.8 Perl/v5.18.2 (internal dummy connection)" ::1 - - [05/Jun/2017:14:29:08 +0800] "OPTIONS * HTTP/1.0" 200 125 "-" "Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.21 mod_apreq2-20090110/2.8.0 mod_perl/2.0.8 Perl/v5.18.2 (internal dummy connection)" ::1 - - [05/Jun/2017:14:29:09 +0800] "OPTIONS * HTTP/1.0" 200 125 "-" "Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.21 mod_apreq2-20090110/2.8.0 mod_perl/2.0.8 Perl/v5.18.2 (internal dummy connection)" what does it mean? why it exists? thanks.
