+- AiOwares (https://www.aiowares.com)
+-- Forum: Cyber & Forensics (https://www.aiowares.com/forumdisplay.php?fid=65)
+--- Forum: Cyber Security (https://www.aiowares.com/forumdisplay.php?fid=66)
+--- Thread: Purpose of Antivirus & Firewall (/showthread.php?tid=1440)
Purpose of Antivirus & Firewall - MaskedUser - 11-13-2019
Antivirus is used to cross check/scan signatures by Developer of media/file/executable if it match then AV bypass that app to next step or if file scanned is found having some other signature then it is sent to vault & submitted for further analysis via AV company.
Firewall are of two types Software & Hardware :
Firewall is used to detect & protect data packets transferred between client & server ie :
IDS Intrusion Detection System
IPS Intrusion Prevention System
First action of a Firewall is to detect data packets with TCP {Transmission Control Protocol} flags ie Syn ack fin rst push via its subsidairies HIDS {Host Based Intustion Detection System} NIDS {Network Based Intrusion Detection System}
Secondly if data packet is detected as false then it will be transferred to IPS & analysed via its subsidiaries ie HIPS {Host Based Intrusion prevention System} NIPS {Network Based Intrusion Prevention System}.
FIPS {Federal Law Based Intrusion Prevention System} is only used in a stateful firewall which is used in Govt Agencies .