Nping

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Install nmap[1] tool, available at least for Windows, Mac and Linux and executenping --tcp -p 3306 172.16.22.218 to test tcp connectivity for port 3306 in host 172.16.22.218:


nping --tcp -p 3306 172.16.22.218 -c 0
Starting Nping 0.6.47 ( http://nmap.org/nping ) at 2019-03-12 09:47 UTC
SENT (0.0125s) TCP 172.16.22.18:2734 > 172.16.22.218:3306 S ttl=64 id=56345 iplen=40  seq=1546620167 win=1480 
SENT (1.0127s) TCP 172.16.22.18:2734 > 172.16.22.218:3306 S ttl=64 id=56345 iplen=40  seq=1546620167 win=1480 
RCVD (1.0129s) TCP 172.16.22.218:3306 > 172.16.22.18:2734 SA ttl=64 id=0 iplen=44  seq=1638376953 win=29200 <mss 1460>
SENT (2.0141s) TCP 172.16.22.18:2734 > 172.16.22.218:3306 S ttl=64 id=56345 iplen=40  seq=1546620167 win=1480 
RCVD (2.0143s) TCP 172.16.22.218:3306 > 172.16.22.18:2734 SA ttl=64 id=0 iplen=44  seq=1654006808 win=29200 <mss 1460>
SENT (3.0155s) TCP 172.16.22.18:2734 > 172.16.22.218:3306 S ttl=64 id=56345 iplen=40  seq=1546620167 win=1480 
RCVD (3.0157s) TCP 172.16.22.218:3306 > 172.16.22.18:2734 SA ttl=64 id=0 iplen=44  seq=1669652324 win=29200 <mss 1460>
nping -tcp -p 443 google.com -q

Starting Nping 0.7.80 ( https://nmap.org/nping ) at 2020-01-13 17:00 +04
Max rtt: 14.615ms | Min rtt: 4.099ms | Avg rtt: 7.753ms
Raw packets sent: 5 (200B) | Rcvd: 5 (270B) | Lost: 0 (0.00%)
Nping done: 1 IP address pinged in 4.02 seconds
nping -tcp -p 443 google.com -c 0
  -c 0 number of probes. Default 5. If 0 run continuously.


Related terms[edit]

See also[edit]

  • https://nmap.org/