ET TROJAN HTTP GET Request on port 53 - Very Likely
TCP/UDP port 53 for DNS offers an exit strategy. Once criminal hackers inside the network have their prize, all they need to do to get it out the door is use readily available software that turns ICMP (ping, trace)is a layer 3 protocol suite within the TCP/IP suite, doesnt test any layer 4 or above functions, therefore, it has no TCP/UDP layer 4 port number. The sub protocols within it do. You can block echo replies by closing port 7. Hello, I have had some customer who experienced this issue. The most likely cause is that one of the PC's on your network, not the router, is infected with a virus and it is generating this traffic, now, since the ISP is not able to see inside of your network, they are pointing to the gateway to your location which is the router. A port is a communication point where one or more computers in a network communicate with each other through a program or software. There are about 0-65535 ports assigned to do specific tasks in a PC.
What ports are required for Tenable products?
A port is a communication point where one or more computers in a network communicate with each other through a program or software. There are about 0-65535 ports assigned to do specific tasks in a PC. May 03, 2014 · OK port 443 is port forwarded to the AP for my wireless DVR (sucks big time). Hopefully my godaddy will be able to forward all traffic for the domain to my public IP but I will need the DNS server to handle that traffic that's why I need port 53 forwarded to the Synology. Jul 04, 2018 · Whatportis is a command line tool that allows you to search port names and numbers of services running in your system. The tool fetches the list of official TCP/UDP ports from iana website. As a result, a private script is created to regularly fetch the website and update the ports.json fileTo use the command line tool, we must first of all However, if what you did was to block ALL port 53 traffic you will disable all DNS functionality, including OpenDNS. A rule to block all port 53 traffic generally also needs a rule to allow port 53 traffic to OpenDNS to process BEFORE the blocking rule. The effects of this are to allow port 53 traffic to OpenDNS, but nowhere else.
Listens for remote commands on port 53/tcp. Connects to an FTP server on port 21211/tcp. Scans for systems vulnerable to the exploit on port 1025/tcp. Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source
What ports are required for Tenable products? Apr 16, 2020 How to redirect ALL DNS traffic to OpenDNS – OpenDNS