When filtering for a single host, if multiple hosts share a part of the name the filter needs to be set with a $ at the end.:
Host 1 = jvldcoss
Host 2 = jvldcoss2
to filter the host "jvldcoss", if the filter statement has the following:
both hosts above will match the filter as they all begin with jvldcoss.
To filter only jvldcoss the filter statement would need to be the following:
Using the statement directly above, only jvldcoss, the first host listed, will match the filter, allowing the second host to bypass the filter.