Web Server keeps crashing

My webserver on my Kiwi keeps crashing. Before it crashes, I keep getting this in the log:

Tue Dec 21 11:39:50 00:27:31.694 012.   2  L "(no identity)" 52.78.147.239 incomplete connection kicked
Tue Dec 21 11:50:42 00:38:24.157 012.   2  L ### SECURITY: NO AUTH YET: W/F 4 34.105.56.69 <0.366674851708696850.366674851708696850.366674851708696850.366674851708696850.366674851708696850.366674851708696850.366674851708696850.366674851708696850.36667485
Tue Dec 21 11:50:43 00:38:24.350 012.   2  L ### SECURITY: NO AUTH YET: W/F 4 34.105.56.69 <0.77434201336594870.77434201336594870.77434201336594870.77434201336594870.77434201336594870.77434201336594870.77434201336594870.77434201336594870.7743420133659487
Tue Dec 21 11:50:43 00:38:24.595 012.   2  L ### SECURITY: NO AUTH YET: W/F 4 34.105.56.69 <0.73304314998766550.73304314998766550.73304314998766550.73304314998766550.73304314998766550.73304314998766550.73304314998766550.73304314998766550.7330431499876655
Tue Dec 21 11:50:44 00:38:25.854 012.   2  L ### SECURITY: NO AUTH YET: W/F 4 34.105.56.69 <0.80353952409900130.80353952409900130.80353952409900130.80353952409900130.80353952409900130.80353952409900130.80353952409900130.80353952409900130.8035395240990013
Tue Dec 21 11:50:45 00:38:26.309 012.   2  L ### SECURITY: NO AUTH YET: W/F 4 34.105.56.69 <0.170708097392818780.170708097392818780.170708097392818780.170708097392818780.170708097392818780.170708097392818780.170708097392818780.170708097392818780.17070809
Tue Dec 21 11:50:45 00:38:26.564 012.   2  L ### SECURITY: NO AUTH YET: W/F 4 34.105.56.69 <0.56730937577942390.56730937577942390.56730937577942390.56730937577942390.56730937577942390.56730937577942390.56730937577942390.56730937577942390.5673093757794239

What's going on? Also, I tried logging in through Putty to rebuild the software, and I can't get past the pre-authorization banner.

Please help.

Garrett