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네트워크/Network 네트워크

port 확인 (특정 port 오픈 여부 확인)

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# Open 된 port 확인하기

Nmap을 활용하여 특정 포트가 열려 있는지 확인하기

URL 원본 : https://nmap.org/

 

Nmap: the Network Mapper - Free Security Scanner

Download Reference Guide Book Docs Zenmap GUI In the Movies Get Nmap 7.94 here Nmap.org has been redesigned! Our new mobile-friendly layout is also on Npcap.com, Seclists.org, Insecure.org, and Sectools.org. Nmap 7.90 has been released with Npcap 1.00 alon

nmap.org

다운로드 URL : https://nmap.org/download#windows

 

Download the Free Nmap Security Scanner for Linux/Mac/Windows

Download Reference Guide Book Docs Zenmap GUI In the Movies Older versions (and sometimes newer test releases) are available from the Nmap release archive (and really old ones are in dist-old). For the more security-paranoid (smart) users, GPG detached sig

nmap.org

- 사용법은 아래와 같다.

nmap -p [포트] [IP 또는 호스트]

-localhost로 테스트를 해보자.

C:\Users\김승현>nmap localhost
Starting Nmap 7.94 ( https://nmap.org ) at 2024-01-26 15:00 대한민국 표준시
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00013s latency).
Other addresses for localhost (not scanned): ::1
Not shown: 994 closed tcp ports (reset)
PORT     STATE SERVICE
135/tcp  open  msrpc
445/tcp  open  microsoft-ds
2179/tcp open  vmrdp
5357/tcp open  wsdapi
5432/tcp open  postgresql
8088/tcp open  radan-http

Nmap done: 1 IP address (1 host up) scanned in 0.68 seconds

- naver나 google은 보안상 막지 않았을까...

 

- 끝 -

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