<p>출처 :&nbsp;https://devconnected.com/how-to-ping-specific-port-number/</p><p>&nbsp;</p><h2>tcping</h2><p><a href="https://hvy.kr/post/47" target="_blank">https://hvy.kr/post/47</a><br>&nbsp;</p><p>&nbsp;</p><h2>nc(ncat) - 추천</h2><div style="background-color:rgb(30, 30, 30);color:rgb(212, 212, 212);font-family:Consolas, &quot;Courier New&quot;, monospace;font-size:14px;line-height:19px;white-space:pre;"><div><span style="color:#6a9955;"><span># nc(netcat) 설치(ubuntu)</span></span></div><div>$ apt-get update &amp;&amp; apt-get install -y netcat</div><div><span style="color:#6a9955;"><span># nc(netcat) 설치(alpine linux)</span></span></div><div>$ apk add netcat-openbsd</div><div><span style="color:#6a9955;"><span># nc 사용</span></span></div><div>$ nc -vz &lt;domain or ip_address&gt; &lt;port&gt;</div></div><p>&nbsp;</p><h2>telnet</h2><div style="background-color:rgb(30, 30, 30);color:rgb(212, 212, 212);font-family:Consolas, &quot;Courier New&quot;, monospace;font-size:14px;line-height:19px;white-space:pre;"><div><span style="color:#6a9955;"><span>#&nbsp;telnet&nbsp;설치</span></span></div><div>$&nbsp;apt-get&nbsp;update&nbsp;&amp;&amp;&nbsp;apt-get&nbsp;install&nbsp;-y&nbsp;telnet</div><div><span style="color:#6a9955;"><span>#&nbsp;telnet&nbsp;사용</span></span></div><div>$&nbsp;telnet&nbsp;&lt;domain&nbsp;or&nbsp;ip_address&gt;&nbsp;&lt;port&gt;</div></div><p>&nbsp;</p><h2>nmap - 기능 많음</h2><div style="background-color:rgb(30, 30, 30);color:rgb(212, 212, 212);font-family:Consolas, &quot;Courier New&quot;, monospace;font-size:14px;line-height:19px;white-space:pre;"><div><span style="color:#6a9955;"><span>#&nbsp;nmap&nbsp;설치</span></span></div><div>$&nbsp;apt-get&nbsp;update&nbsp;&amp;&amp;&nbsp;apt-get&nbsp;install&nbsp;-y&nbsp;nmap</div><div><span style="color:#6a9955;"><span>#&nbsp;nmap&nbsp;사용</span></span></div><div>$&nbsp;nmap&nbsp;-p&nbsp;&lt;port&gt;&nbsp;&lt;domain&nbsp;or&nbsp;ip_address&gt;</div><div><span style="color:#6a9955;"><span>#&nbsp;nmap&nbsp;사용한&nbsp;포트&nbsp;범위&nbsp;스캔</span></span></div><div>$&nbsp;nmap&nbsp;-p&nbsp;1-100&nbsp;&lt;domain&nbsp;or&nbsp;ip_address&gt;</div><div><span style="color:#6a9955;"><span>#&nbsp;기타&nbsp;사용방법이&nbsp;많음</span></span></div><div><span style="color:#6a9955;"><span>#&nbsp;https://blog.naver.com/PostView.nhn?blogId=ys9253&amp;logNo=221242661791</span></span></div></div><p>&nbsp;</p><h2>Powershell</h2><div style="background-color:rgb(30, 30, 30);color:rgb(212, 212, 212);font-family:Consolas, &quot;Courier New&quot;, monospace;font-size:14px;line-height:19px;white-space:pre;"><div><span style="color:#6a9955;"><span>#&nbsp;Powershell</span></span></div><div>Test-NetConnection&nbsp;&lt;ip_address&gt;&nbsp;-p&nbsp;&lt;port_number&gt;</div></div><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>

특정 TCP 포트로 Ping 체크하기 - Windows / Linux