Port 53 (tcpudp) | port 53
DNS(DomainNameService)usedfordomainnameresolution.TherearesomeattacksthattargetvulnerabilitieswithinDNSservers.CiscoWebexTeamsservicesusestheseports: 443,444,5004TCP 53,123,5004,33434-33598UDP(SIPcalls)Xbox360(Live)ports:3074TCP/UDP,53TCP/UDP,80TCP,88UDP XboxOne(Live)ports:3074TCP/UDP,53TCP/UDP,80TCP,88UDP,500UDP,3544UDP,4500UDPAppleMacDNS,FaceTimealsousethisport.Sometrojansalsousethisport:ADMworm,Bonk(DoS)trojan,li0n,MscanWorm,MuSka52,Trojan.Esteems.C[Symantec-2005-051212-1727-9...
DNS (Domain Name Service) used for domain name resolution. There are some attacks that target vulnerabilities within DNS servers.Cisco Webex Teams services uses these ports: 443,444,5004 TCP 53, 123, 5004, 33434-33598 UDP (SIP calls)
Xbox 360 (Live) ports: 3074 TCP/UDP, 53 TCP/UDP, 80 TCP, 88 UDP Xbox One (Live) ports: 3074 TCP/UDP, 53 TCP/UDP, 80 TCP, 88 UDP, 500 UDP, 3544 UDP, 4500 UDP
Apple MacDNS, FaceTime also use this port.
Some trojans also use this port: ADM worm, Bonk (DoS) trojan, li0n, MscanWorm, MuSka52, Trojan.Esteems.C [Symantec-2005-051212-1727-99[1]] (2005.05.12), W32.Spybot.ABDO [Symantec-2005-121014-3510-99[2]] (2005.12.10).
W32.Dasher.B [Symantec-2005-121610-5037-99[3]] (2005.12.16) - a worm that exploits the MS Distributed Transaction Coordinator Remote exploit (MS Security Bulletin [MS05-051[4]]). Listens for remote commands on port 53/tcp. Connects to an FTP server on port 21211/tcp. Scans for systems vulnerable to th...