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TranslateProject/translated/tech/20190410 How To Check The List Of Open Ports In Linux.md

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选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
[#]: collector: (lujun9972)
heguangzhi translated
2019-04-12 09:19:13 +08:00
[#]: translator: (heguangzhi)
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
[#]: reviewer: (wxy)
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (How To Check The List Of Open Ports In Linux?)
[#]: via: (https://www.2daygeek.com/linux-scan-check-open-ports-using-netstat-ss-nmap/)
[#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/)
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
如何检查 Linux 中的开放端口列表？
heguangzhi translated
2019-04-12 09:19:13 +08:00
======
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
最近，我们就同一主题写了两篇文章。这些文章内容帮助你如何检查远程服务器中给定的端口是否打开。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
如果你想 [检查远程 Linux 系统上的端口是否打开][1] 请点击链接浏览。如果你想 [检查多个远程 Linux 系统上的端口是否打开][2] 请点击链接浏览。如果你想 [检查多个远程 Linux 系统上的多个端口状态][2] 请点击链接浏览。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
但是本文帮助你检查本地系统上的开放端口列表。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
在 Linux 中很少有用于此目的的实用程序。然而，我提供了四个最重要的 Linux 命令来检查这一点。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
你可以使用以下四个命令来完成这个工作。这些命令是非常出名的并被 Linux 管理员广泛使用。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
* `netstat`：netstat (“network statistics”) 是一个显示网络连接（进和出）相关信息命令行工具，例如：路由表, 伪装连接,多点传送成员和网络端口。
* `nmap`：Nmap (“Network Mapper”) 是一个网络探索与安全审计的开源工具。它旨在快速扫描大型网络。
* `ss`： ss 被用于转储套接字统计信息。它也可以类似 netstat 使用。相比其他工具它可以展示更多的TCP状态信息。
* `lsof`： lsof 是 List Open File 的缩写. 它用于输出被某个进程打开的所有文件。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
heguangzhi translated
2019-04-12 09:19:13 +08:00
### 如何使用 Linux 命令 netstat 检查系统中的开放端口列表
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
`netstat` 是 Network Statistics 的缩写，是一个显示网络连接（进和出）相关信息命令行工具，例如：路由表、伪装连接、多播成员和网络端口。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
它可以列出所有的 tcp、udp 连接和所有的 unix 套接字连接。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
heguangzhi translated
2019-04-12 09:19:13 +08:00
它用于发现发现网络问题，确定网络连接数量。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# netstat -tplugn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 2038/master
tcp 0 0 127.0.0.1:199 0.0.0.0:* LISTEN 1396/snmpd
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 1398/httpd
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1388/sshd
tcp6 0 0 :::25 :::* LISTEN 2038/master
tcp6 0 0 :::22 :::* LISTEN 1388/sshd
udp 0 0 0.0.0.0:39136 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:56130 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:40105 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:11584 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:30105 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:50656 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:1632 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:28265 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:40764 0.0.0.0:* 1396/snmpd
udp 0 0 10.90.56.21:123 0.0.0.0:* 895/ntpd
udp 0 0 127.0.0.1:123 0.0.0.0:* 895/ntpd
udp 0 0 0.0.0.0:123 0.0.0.0:* 895/ntpd
udp 0 0 0.0.0.0:53390 0.0.0.0:* 1396/snmpd
udp 0 0 0.0.0.0:161 0.0.0.0:* 1396/snmpd
udp6 0 0 :::123 :::* 895/ntpd
IPv6/IPv4 Group Memberships
Interface RefCnt Group
--------------- ------ ---------------------
lo 1 224.0.0.1
eth0 1 224.0.0.1
lo 1 ff02::1
lo 1 ff01::1
eth0 1 ff02::1
eth0 1 ff01::1
```
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
你也可以使用下面的命令检查特定的端口。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# # netstat -tplugn | grep :22
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1388/sshd
tcp6 0 0 :::22 :::* LISTEN 1388/sshd
```
heguangzhi translated
2019-04-12 09:19:13 +08:00
### 如何使用 Linux 命令 ss 检查系统中的开放端口列表？
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
`ss` 被用于转储套接字统计信息。它也可以显示类似 `netstat` 的信息。相比其他工具它可以展示更多的 TCP 状态信息。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# ss -lntu
Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
udp UNCONN 0 0 *:39136 *:*
udp UNCONN 0 0 *:56130 *:*
udp UNCONN 0 0 *:40105 *:*
udp UNCONN 0 0 *:11584 *:*
udp UNCONN 0 0 *:30105 *:*
udp UNCONN 0 0 *:50656 *:*
udp UNCONN 0 0 *:1632 *:*
udp UNCONN 0 0 *:28265 *:*
udp UNCONN 0 0 *:40764 *:*
udp UNCONN 0 0 10.90.56.21:123 *:*
udp UNCONN 0 0 127.0.0.1:123 *:*
udp UNCONN 0 0 *:123 *:*
udp UNCONN 0 0 *:53390 *:*
udp UNCONN 0 0 *:161 *:*
udp UNCONN 0 0 :::123 :::*
tcp LISTEN 0 100 *:25 *:*
tcp LISTEN 0 128 127.0.0.1:199 *:*
tcp LISTEN 0 128 *:80 *:*
tcp LISTEN 0 128 *:22 *:*
tcp LISTEN 0 100 :::25 :::*
tcp LISTEN 0 128 :::22 :::*
```
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
你也可以使用下面的命令检查特定的端口。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# # ss -lntu | grep ':25'
tcp LISTEN 0 100 *:25 *:*
tcp LISTEN 0 100 :::25 :::*
```
heguangzhi translated
2019-04-12 09:19:13 +08:00
### 如何使用 Linux 命令 nmap 检查系统中的开放端口列表？
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
heguangzhi translated
2019-04-12 09:19:13 +08:00
Nmap (“Network Mapper”) 是一个网络探索与安全审计的开源工具。它旨在快速扫描大型网络，当然它也可以工作在独立主机上。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
Nmap 使用裸 IP 数据包以一种新颖的方式来确定网络上有哪些主机可用，这些主机提供什么服务（应用程序名称和版本），它们运行什么操作系统（版本），使用什么类型的数据包过滤器/防火墙，以及许多其他特征。
heguangzhi translated
2019-04-12 09:19:13 +08:00
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
虽然 Nmap 通常用于安全审计，但许多系统和网络管理员发现它对于日常工作也非常有用，例如网络资产清点、管理服务升级计划以及监控主机或服务正常运行时间。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# nmap -sTU -O localhost
Starting Nmap 6.40 ( http://nmap.org ) at 2019-03-20 09:57 CDT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00028s latency).
Other addresses for localhost (not scanned): 127.0.0.1
Not shown: 1994 closed ports
PORT STATE SERVICE
22/tcp open ssh
25/tcp open smtp
80/tcp open http
199/tcp open smux
123/udp open ntp
161/udp open snmp
Device type: general purpose
Running: Linux 3.X
OS CPE: cpe:/o:linux:linux_kernel:3
OS details: Linux 3.7 - 3.9
Network Distance: 0 hops
OS detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 1.93 seconds
```
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
你也可以使用下面的命令检查特定的端口。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# nmap -sTU -O localhost | grep 123
123/udp open ntp
```
heguangzhi translated
2019-04-12 09:19:13 +08:00
### 如何使用 Linux 命令 lsof 检查系统中的开放端口列表？
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
它向你显示系统上打开的文件列表以及打开它们的进程。还会向你显示与文件相关的其他信息。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# lsof -i
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ntpd 895 ntp 16u IPv4 18481 0t0 UDP *:ntp
ntpd 895 ntp 17u IPv6 18482 0t0 UDP *:ntp
ntpd 895 ntp 18u IPv4 18487 0t0 UDP localhost:ntp
ntpd 895 ntp 20u IPv4 23020 0t0 UDP CentOS7.2daygeek.com:ntp
sshd 1388 root 3u IPv4 20065 0t0 TCP *:ssh (LISTEN)
sshd 1388 root 4u IPv6 20067 0t0 TCP *:ssh (LISTEN)
snmpd 1396 root 6u IPv4 22739 0t0 UDP *:snmp
snmpd 1396 root 7u IPv4 22729 0t0 UDP *:40105
snmpd 1396 root 8u IPv4 22730 0t0 UDP *:50656
snmpd 1396 root 9u IPv4 22731 0t0 UDP *:pammratc
snmpd 1396 root 10u IPv4 22732 0t0 UDP *:30105
snmpd 1396 root 11u IPv4 22733 0t0 UDP *:40764
snmpd 1396 root 12u IPv4 22734 0t0 UDP *:53390
snmpd 1396 root 13u IPv4 22735 0t0 UDP *:28265
snmpd 1396 root 14u IPv4 22736 0t0 UDP *:11584
snmpd 1396 root 15u IPv4 22737 0t0 UDP *:39136
snmpd 1396 root 16u IPv4 22738 0t0 UDP *:56130
snmpd 1396 root 17u IPv4 22740 0t0 TCP localhost:smux (LISTEN)
httpd 1398 root 3u IPv4 20337 0t0 TCP *:http (LISTEN)
master 2038 root 13u IPv4 21638 0t0 TCP *:smtp (LISTEN)
master 2038 root 14u IPv6 21639 0t0 TCP *:smtp (LISTEN)
sshd 9052 root 3u IPv4 1419955 0t0 TCP CentOS7.2daygeek.com:ssh->Ubuntu18-04.2daygeek.com:11408 (ESTABLISHED)
httpd 13371 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13372 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13373 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13374 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13375 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
```
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
你也可以使用下面的命令检查特定的端口。
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
```
# lsof -i:80
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
httpd 1398 root 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13371 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13372 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13373 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13374 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
httpd 13375 apache 3u IPv4 20337 0t0 TCP *:http (LISTEN)
```
--------------------------------------------------------------------------------
via: https://www.2daygeek.com/linux-scan-check-open-ports-using-netstat-ss-nmap/
作者：[Magesh Maruthamuthu][a]
选题：[lujun9972][b]
heguangzhi translated
2019-04-12 09:19:13 +08:00
译者：[heguangzhi](https://github.com/heguangzhi)
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
校对：[wxy](https://github.com/wxy)
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://www.2daygeek.com/author/magesh/
[b]: https://github.com/lujun9972
PRF:20190410 How To Check The List Of Open Ports In Linux.md @heguangzhi
2019-04-17 08:51:36 +08:00
[1]: https://linux.cn/article-10675-1.html
选题: 20190410 How To Check The List Of Open Ports In Linux? sources/tech/20190410 How To Check The List Of Open Ports In Linux.md
2019-04-10 12:57:46 +08:00
[2]: https://www.2daygeek.com/check-a-open-port-on-multiple-remote-linux-server-using-nc-command/
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