[viper357]

"user agent strings" - Please excuse me being an idiot here but I'm assuming this is the column in the logs that says User Agent? If so, they are all blank.

I can give you the info from the headers column, if that will help? I really don't know what most of this all means.

These first two are accessing the forum via Tapatalk, the "mobiquo" is the Tapatalk directory/mod.

POST /mobiquo/mobiquo.php HTTP/1.0
Accept: */*
Connection: keep-alive
Content-Length: 267
Host: www.marineaquariumsa.com
Cache-Control: max-age=259200
Via: BISB_3.5.1.76, 1.1 pmds152.bisb2.blackberry:3128 (squid/2.7.STABLE7)

POST /mobiquo/mobiquo.php HTTP/1.0
Accept: */*
Connection: keep-alive
Content-Length: 267
Host: www.marineaquariumsa.com
Cache-Control: max-age=259200
Via: BISB_3.5.1.76, 1.1 pmds252.bisb2.blackberry:3128 (squid/2.7.STABLE7)

This one looked like normal forum access but also says blackberry.

GET /showthread.php?p=470371#post470371/external.php?type=RSS2&forumids=219 HTTP/1.0
Accept: */*
Connection: keep-alive
Host: www.marineaquariumsa.com
Cache-Control: max-age=259200
Via: BISB_3.5.1.71, 1.1 pmds196.bisb4.blackberry:3128 (squid/2.7.STABLE7)