如何進(jìn)行SUSE Linux 10的何進(jìn)SSH端口修改
SSH(Secure Shell)是一種網(wǎng)絡(luò )協(xié)議,用于在不安全的行s修改網(wǎng)絡(luò )環(huán)境中提供安全的遠程登錄服務(wù),在SUSE Linux 10中,端口默認的何進(jìn)SSH端口是22,為了提高系統的行s修改安全性,您可能需要修改SSH端口,端口本文將介紹如何在SUSE Linux 10中修改SSH端口。何進(jìn)
要修改SSH端口,行s修改首先需要編輯SSH配置文件,端口請按照以下步驟操作:
1、何進(jìn)打開(kāi)終端。行s修改
2、端口使用文本編輯器(如nano或vim)打開(kāi)SSH配置文件,何進(jìn)輸入以下命令:
sudo vi /etc/ssh/sshd_config3、行s修改在配置( ?ヮ?)文件中找到以下行:
Port 22
4、端口取消注釋(刪除行首的符號),并將端口號更改為您想要的端口號,如果您希望將端口號更改為2222,請將??其更改為:
Port 2222
5、保存并關(guān)閉配置文件。
修改配置文件后,需要重啟S(′▽?zhuān)?SH服務(wù)以使更改生效,請按照以??(yi)下步驟操??作:
1、在終端中輸入以下命令,停止SSH服務(wù)(wu):
sudo systemctl stop sshd
2、輸入以下(xia)命(′?`)令,啟動(dòng)SSH服務(wù),(′?_?`)并應用新的配置:
sudo systemctl start sshd
3、檢查SSH服務(wù)是否正在使用新的端口,在終端中輸入以下命令:
sudo netstat -tuln(′?`*) | grep sshd
如果一切正常,您應該會(huì )看到類(lèi)似于以下的輸出,顯示SSH服務(wù)正在新端口上運行:
tcp 0 0 0.0.0.0:2222 0.0.0.0:* LISTEN 12345/sshd: master process (/usr/bin/sshd)
為了驗證SSH端口是否已成功修改,??您可以使用以下方法之一:
1、通過(guò)查看防火墻設置來(lái)確認新端口已被允許,在終端中輸入以下(xia)命令:
sudo firewaヽ(′▽?zhuān)?ノll-cmd --list-ports | grep sshd-port-new-port-number
New listening port (protocol): sshd-port-n(⊙_⊙)ew-port-number (tcp) (description: SSHD service) (used by: world) (incoming connections: 1 accepted) (outgoing connections: 0 allowed) (attempts: 1 accept( ?° ?? ?°)ed) (connected: 1 accepted) (transferred: 0 denied) (received: 0 denied) (denied: 0) (failed: 0) (retries: 0) (delayed??: 0) (failed_connections: 0) (redireヽ(′ー`)ノcted_client_connect: 0) (hostkeys_lookup: 1) (http_request_handled: 0) (tls_session_reused: 0) (tls_session_made_new: 0) (last_attempt_time??s[0??]: 0) (last_??attempt_times[1]: 0) (last_attempt_times[2]: 0) (last_at??tempt_times[3]: 0) (last_attempt_times[4]: 0) (last_attempt_times[5]:?? 0) (last_attempt_times[6]: 0) (last_attempt_times[7(╬?益?)]: 0) (las(′?`*)t_attempt_times[8]:?? 0) (last_a(′ω`*)ttempt_tim??es[9]: 0) (last_attempt_times[10]: 0) (last_attempt_times[11]:(′;д;`) 0) (last_attempt_times[12]: 0) (las??t_attempt_times[13]: 0) (last_attempt_times[14]: 0) (last_attempt??_times[15]: 0) (last_attempt_times[16]: 0) (las(???)t_attempt_times[17]: 0) (last_attempt_times[18]: 0) (last_attem(′?_?`)pt_times[19]: 0) (last_attempt_tim??es[20]: 0) (last_attempt_times[(???)21]: 0) (last_attempt_times[22]:?? 0) (last_attempt??_times[23]: 0) (last_attempt_times[24]: 0) (last_attempt_times[25]: 0) (last_attempt_times[26]: 0) (las???t_attempt_times[27]: 0) (last_attempt_tiヽ(′?`)ノmes[28]: 0) (last_attempt_times[29]: 0) (last_attempt_times[30]: 0) (last_attempt_times[31]: 0) (last_attempt_times[32]: 0) (last_attempt_times[33]: 0) (last_attempt_times[34]??: 0) (last_attempt