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Try looking into Scanlogd http://www.openwall.com/scanlogd/ Also look into psad (Port Scan Attack detector) http://cipherdyne.org/psad/ I havent tried using either of them. Though I am not sure how much better than Snort these will be, I am sure these allow for much higher degree of customization, which may help.


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First they use cloud compute like amazon AWS for fast internet. Second all IP are known for you just next some basic looping function. simplification for a=0 to 229 for b= 0 to 255 for c=0 to 255 for d=0 to 255 ipaddress=str(a)&"."&str(b)&"."&str(c)&"."&str(d) connect ipaddress:80 send ...


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Your neighbour router is acting as a firewall┬╣ This is actually a side effect of NAT: the router is blocking the connections from the outside to the intranet.┬▓ In order to interact with a computer in the intranet from the outside,┬│ the appropriate port needs to have been open in the router to that computer. And you will only be able to interact through ...


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Simply put, this is done using the banner grabbing technique over specific popular service TCP/IP ports such as 80, 8080, 9100, 21 etc. Basically a host will use a piece of software such as netcat or telnet to scan a specific range of IP addresses. A popular website which facilitates this is https://www.shodan.io. They basically have a back end system ...


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The pgsql-brute script performs password guessing (brute-forcing) against PostgreSQL databases. It does not retrieve any version information or display anything but successfully-guessed usernames and passwords. A more useful command for getting information from a PostgreSQL database would be: nmap -p 5432 -sV myhost This performs service and application ...


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Ports are like holes in a wall, they exist but if no one is paying attention to them its no use to throw things at them. A program uses ports (or sockets) to connect with other devices in the same network (and through routing techniques the program may reach other networks). The way this works is that the program opens a connection to the outside and ...



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