PeerBlock – a software igbochi netwọk njikọ kọmputa na sava na internet. Mgbe ejikọta PeerBlock-enyocha IP-adreesị nke na-gụnyere ndị blacklist n’ihi mgbasa nke nje virus, mgbasa ozi na unlicensed ọdịnaya. The software enyere iji n’ihu ọha dị ma ọ bụ kere site ọrụ anatara igbochi ize ndụ IP-adreesị. PeerBlock nwere ngwá ọrụ ndị na-hazi egbochi ma ọ bụ kwere ka njikọ, ngosi nke netwọk ihe na-arụ ọrụ na ndị zoro ezo mode. PeerBlock-enye gị ohere inwe ike ma ọ bụ gbanyụọ nchebe nke na-akpaghị aka n’agụmakwụkwọ site software.