accept.lock.nn

[Gil Dawson <Gil@xxxxxxxxxxxxx>]

A number of similar files appear in the same directory as my log files, i.e., .../var/log/apache2/

accept.lock.29

accept.lock.31

accept.lock.32

accept.lock.34

accept.lock.42

accept.lock.45

accept.lock.88

accept.lock.111

accept.lock.113

They are of varying ages; the youngest is a couple of months ago, the oldest, years.

What are they, and can I safely delete them?

--Gil