If you have an RV042 router that’s logging false “block” messages, we’ve released a firmware upgrade that should help resolve the issue. You can download the software here: http://www.cisco.com/cisco/software/release.html?mdfid=282414011&softwareid=282465789&release=4.0.2.08-tm&relind=AVAILABLE&rellifecycle=&reltype=latest. For more information about the software, check out the Release Notes document, which is available here: http://www.cisco.com/en/US/docs/routers/csbr/rv0xx/release/rv0xx_rn_v4-0-2-08.pdf.