hacktricks/network-services-pentesting/7-tcp-udp-pentesting-echo.md

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Basic Information

Huduma ya echo inafanya kazi kwenye mwenyeji huu. Huduma ya echo ilikusudiwa kwa ajili ya majaribio na vipimo na inaweza kusikiliza kwenye itifaki za TCP na UDP. Server inarudisha data yoyote inayopokea, bila mabadiliko.
Inawezekana kusababisha kukatizwa kwa huduma kwa kuunganisha huduma ya echo kwenye huduma ya echo kwenye mashine moja au nyingine. Kwa sababu ya idadi kubwa sana ya pakiti zinazozalishwa, mashine zilizoathirika zinaweza kutolewa kwa ufanisi kutoka huduma.
Taarifa kutoka https://www.acunetix.com/vulnerabilities/web/echo-service-running/

Default Port: 7/tcp/udp

PORT   STATE SERVICE
7/udp  open  echo
7/tcp  open  echo

Wasiliana na huduma ya Echo (UDP)

nc -uvn <IP> 7
Hello echo    #This is wat you send
Hello echo    #This is the response

Shodan

• port:7 echo

References

Wikipedia echo

CA-1996-01 UDP Port Denial-of-Service Attack

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