Updating the GeoIP database gives error

[dwhile]

When updating the GeoIP database from the interface the following is output:

Downloading file, please wait...
Error occurred while downloading GeoIP data file: Response could not be parsed
Download complete, unpacking files...

GeoIP data file successfully unpacked
Process completed!

On investigation it is because the server is using the HTTP2 protocol and in mailscanner/lib/request/Request.php the returned headers are only checked for a 1.{x} response. So an error is generated.

changing line 572 in mailscanner/lib/request/Request.php from:
preg_match('#^HTTP/1.\d[ \t]+(\d+)#i', array_shift($headers), $matches);
to:
preg_match('#^HTTP[/1.\d]|[2][ \t]+(\d+)#i', array_shift($headers), $matches);

Solves this problem and allows the update to work correctly.

[endelwar]

Thank you!