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云主機修改遠程端口的方法

隨著互聯(lián)網(wǎng)的發(fā)展,越來越多的企業(yè)和個人開始使用云主機來部署自己的網(wǎng)站和應用,云主機的優(yōu)點之一就是可以隨時隨地訪問,而遠程端口的設置則是保證安全訪問的關鍵,本文將詳細介紹如何修改云主機的遠程端口,以確保您的數(shù)據(jù)安全。
登錄云主機
您需要登錄到您的云主機,這通常可以通過SSH客戶端完成,在Windows系統(tǒng)中,您可以使用PuTTY;在macOS和Linux系統(tǒng)中,您可以使用終端,以下是在不同操作系統(tǒng)中登錄云主機的簡要說明:
1、Windows系統(tǒng):
打開PuTTY,輸入云主機的IP地址、用戶名和密碼,然后點擊“Open”按鈕。
2、macOS和Linux系統(tǒng):
打開終端,輸入以下命令(將your_username替換為您的用戶名,將your_password替換為您的密碼):
“`
ssh your_username@your_host_ip
“`
然后按回車鍵,輸入密碼。
修改防火墻設置
為了允許外部設備訪問您的云主機,您需要修改防火墻設置,以下是在Linux系統(tǒng)中修改防火墻設置的方法:
1、安裝UFW(Uncomplicated Firewall):
“`
sudo apt-get install ufw
“`
2、啟用UFW:
“`
sudo systemctl enable ufw
“`
3、允許特定端口的流量:
“`
sudo ufw allow
sudo ufw allow
“`
是您要允許訪問的端口號,如果您要允許訪問80端口,那么命令應該是:
“`
sudo ufw allow 80/tcp
sudo ufw allow 80/udp
“`
4、檢查防火墻設置:
“`
sudo ufw status
“`
修改Web服務器配置文件
大多數(shù)云主機都預裝了Web服務器軟件,如Apache或Nginx,您需要根據(jù)所使用的Web服務器軟件修改相應的配置文件,以便將請求轉發(fā)到正確的端口,以下是針對Apache和Nginx的示例:
1、Apache:
在Apache中,您需要編輯httpd.conf文件(通常位于/etc/httpd/conf/目錄下),找到以下行:
“`
Listen 80
Listen 443 SSL http2defaults ssl-preread on;"SSLSessionCache shmcb:/var/run/apache2/apache2-ssl-cache(512000)" no-server-header on;"SSLSessionCacheTimeout 300" no-static-open "LogLevel alert rewrite:trace7" allow 127.0.0.1;"SetEnvIfNoCase User-Agent "^Mozilla/5.0" no-keepalive cache-control no-store" keepalive_timeout 65 maxkeepaliverequests 100 proxy-read-timeout 300 proxy-connect-timeout 300 proxy-send-timeout 300 proxy-read-timeout 300 send-timeout 300 errorlog /var/log/httpd/error_log loglevel warn output_buffers 16 32k output_handler sys_output gzip on"ServerName www.example.com:80 DocumentRoot "/var/www/html" ErrorLog "logs/error_log" CustomLog "logs/access_log" common" ServerAlias www.example.com:80 DocumentRoot "/var/www/html" ErrorLog "logs/error_log" CustomLog "logs/access_log" common"
將Listen 80更改為Listen 新端口號,
“`
Listen 8080
Listen 443 SSL http2defaults ssl-preread on;"SSLSessionCache shmcb:/var/run/apache2/apache2-ssl-cache(512000)" no-server-header on;"SSLSessionCacheTimeout 300" no-static-open "LogLevel alert rewrite:trace7" allow 127.0.0.1;"SetEnvIfNoCase User-Agent "^Mozilla/5.0" no-keepalive cache-control no-store" keepalive_timeout 65 maxkeepaliverequests 100 proxy-read-timeout 300 proxy-connect-timeout 300 proxy-send-timeout 300 proxy-read-timeout 300 send-timeout 300 errorlog /var/log/httpd/error_log loglevel warn output_buffers 16 32k output_handler sys_output gzip on"ServerName www.example.com:80 DocumentRoot "/var/www/html" ErrorLog "logs/error_log" CustomLog "logs/access_log" common" ServerAlias www.example.com:80 DocumentRoot "/var/www/html" ErrorLog "logs/error_log" CustomLog "logs/access_log" common"
2、Nginx:
在Nginx中,您需要編輯nginx.conf文件(通常位于/etc/nginx/conf.d/目錄下),找到以下行:
“`
server {{ server_name_regex | default(”) ~ ‘(.[a-zA-Z]{2,})?’}} {{ listen | default(”) ‘{{ port | default(”) }}’;}} location {{ path ~* ‘^~’ | default(‘/’)}}{{ if (index of req.uri [ ‘/’] > index of req.uri [ ‘/index.html’])}} try_files $uri $uri/ =404;{{ end}}{{ if (!-e $file || index of $file ‘index.html’ != last) && file_exists($root ~ $file) || file_exists($file)}} location ~ $uri $uri {{ if ($query_string ~ ‘(?<=&).*?(?=[&]|$)’)} Strip query string for redirection{{ set $args ”;}}{{ else if ($args ~ ‘(?<=&).*?(?=[&]|$)’)}} Strip query string for redirection and preserve existing GET parameters{{ set $args $args|replace({‘(?<=&).*?(?=[&]|$)’: ”})} return redirect($scheme://$host$request_uri$args);{{ end}}{{ if ($args ~ ‘(?<=&).*?(?=[&]|$)’)}} Add query string back to URL for redirection with GET parameters{{ set $args $args|replace({‘(?<=&).*?(?=[&]|$)’: ”})} return redirect($scheme://$host$request_uri$args);{{ end}}{{ if ($uri ~ ‘.(jpg|jpeg|png|gif|ico|css|js)$’)}} try_files $uri @rewrites;{{ end}}{{ if ($uri ~ ‘.(mp4|avi|flv|mov|wmv)$’)}} try_files $videos_path$uri @rewrites;{{ end}} location @rewrites {{ try_files $uri =404;}} location ~ .php$ {{ include fastcgi_params; fastcgi_pass {{ server_name | default(‘localhost’) }; fastcgi_param REDIRECT_STATUS ~ HTTPStatus1xx ~; fastcgi_param DOCUMENT_ROOT ~ $document_root; fastcgi_param PHP_VALUE "fastcgi.input_buffering=off"; fastcgi_param PHP_VALUE "PHP_OUTPUT_HANDLER=system"; fastcgi_param PHP_VALUE "SCRIPT_FILENAME="$document_root$realpath($_SERVER
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