How To Bypass Tcpwrapped With Nmap Scan?
I executed a scan with
nmap -n -vv -A x.x.x.x --min-parallelism=50 --max-parallelism=150 -PN -T2 -oA x.x.x.x
I received the below-mentioned result
Host is up (0.032s latency).
Scanned at 2012-10-25 16:06:38 AST for 856s
PORT STATE SERVICE VERSION
1/tcp open tcpwrapped
3/tcp open tcpwrapped
4/tcp open tcpwrapped
19/tcp open tcpwrapped
20/tcp open tcpwrapped
21/tcp open tcpwrapped
22/tcp open tcpwrapped
23/tcp open tcpwrapped
64623/tcp open tcpwrapped
64680/tcp open tcpwrapped
65000/tcp open tcpwrapped
65129/tcp open tcpwrapped
65389/tcp open tcpwrapped
Scan methodology was
I guess this is a firewall game. Can you give me advice on how to bypass this situation?
“tcpwrapped” means a tcpwrapper, a host-based network access control program on Unix and Linux. While Nmap tags anything as tcpwrapped, it implies that the behavior of the prot is same with one that is defended by tcp wrapper. It implies that an entire TCP handshake was done, however the remote host ended the connection without attaining any information.
TCP wrapper defends programs, but not ports. A legitimate tcpwrapped response shows the presence of an actual network service, however you don’t come on the category of hosts permitted to interact with. When numerous ports are indicated as tcpwrapped, they do not show real services. Hence the behavior implies something absurd. You are visualizing a network security device. Numerous of them are configured to answer to TCP port scans, also for IP addresses that are not designated to them. Such behavior can hamper the port scan and fill the outcome with wrong positives also.
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