{"id":829,"date":"2022-08-03T08:59:10","date_gmt":"2023-06-29T15:41:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%9c%a8linux-unix%e4%b8%ad%e4%bd%bf%e7%94%a8telnet%e5%91%bd%e4%bb%a4%e7%9a%84%e7%94%a8%e6%b3%95\/"},"modified":"2025-08-03T11:30:47","modified_gmt":"2025-08-03T03:30:47","slug":"%e5%9c%a8linux-unix%e4%b8%ad%e4%bd%bf%e7%94%a8telnet%e5%91%bd%e4%bb%a4%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8linux-unix%e4%b8%ad%e4%bd%bf%e7%94%a8telnet%e5%91%bd%e4%bb%a4%e7%9a%84%e7%94%a8%e6%b3%95\/","title":{"rendered":"Linux\/Unix Telnet\u547d\u4ee4\u5b8c\u5168\u6559\u7a0b\uff1a\u5b9e\u7528\u7528\u6cd5\u4e0e\u914d\u7f6e\u6307\u5357"},"content":{"rendered":"<h2>Telnet\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>Telnet\u662f\u4e00\u79cd\u8001\u65e7\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u7528\u4e8e\u901a\u8fc7TCP\/IP\u7f51\u7edc\u8fde\u63a5\u8fdc\u7a0b\u7cfb\u7edf\u3002\u5b83\u901a\u8fc7\u7aef\u53e323\u8fde\u63a5\u5230\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u3002\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0bTelnet\u547d\u4ee4\u7684\u4f7f\u7528\u3002<\/p>\n<h2>\u514d\u8d23\u58f0\u660e<\/h2>\n<ol>\n<li>Telnet\u662f\u4e00\u79cd\u4e0d\u5b89\u5168\u7684\u534f\u8bae\uff0c\u56e0\u6b64\u4e0d\u63a8\u8350\u4f7f\u7528\uff01\u8fd9\u662f\u56e0\u4e3a\u901a\u8fc7\u8be5\u534f\u8bae\u53d1\u9001\u7684\u6570\u636e\u662f\u672a\u52a0\u5bc6\u7684\uff0c\u53ef\u4ee5\u88ab\u9ed1\u5ba2\u622a\u83b7\u3002<\/li>\n<li>\u4e0e\u4f7f\u7528telnet\u76f8\u6bd4\uff0c\u66f4\u63a8\u8350\u4f7f\u7528SSH\u534f\u8bae\uff0c\u5b83\u662f\u52a0\u5bc6\u7684\uff0c\u66f4\u5b89\u5168\u3002<\/li>\n<\/ol>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u770b\u60a8\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528Telnet\u534f\u8bae\u3002<\/p>\n<h2>\u5b89\u88c5Telnet<\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u5411\u60a8\u4ecb\u7ecd\u5728RPM\u548cDEB\u7cfb\u7edf\u4e2d\u5b89\u88c5telnet\u7684\u8fc7\u7a0b\u3002<\/p>\n<h3>\u5728CentOS 7 \/ RHEL 7\u4e2d\u5b89\u88c5Telnet<\/h3>\n<p>\u8981\u5728\u670d\u52a1\u5668\u4e0a\u5f00\u59cb\u5b89\u88c5\u8fc7\u7a0b\uff0c\u8bf7\u8fd0\u884c\u8be5\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code># yum install telnet telnet-server -y<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/10-0.png\" class='post-images' alt=\"\u5728CentOS\u4e2d\u5b89\u88c5Telnet\u548cTelnet\u670d\u52a1\u5668\" title=\"\u5728CentOS\u4e2d\u5b89\u88c5Telnet\u548cTelnet\u670d\u52a1\u5668\"><\/div>\n<pre class=\"post-pre\"><code># systemctl start telnet.socket\r\n# systemctl enable telnet.socket<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/12-0.png\" class='post-images' alt=\"\u542f\u52a8\u5e76\u542f\u7528Telnet\u670d\u52a1\" title=\"\u542f\u52a8\u5e76\u542f\u7528Telnet\u670d\u52a1\"><\/div>\n<pre class=\"post-pre\"><code># firewall-cmd --permanent --add-port=23\/tcp<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u91cd\u65b0\u52a0\u8f7d\u9632\u706b\u5899\u4ee5\u4f7f\u89c4\u5219\u751f\u6548\u3002<\/p>\n<pre class=\"post-pre\"><code># firewall-cmd --reload<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/16-0.png\" class='post-images' alt=\"\u5728\u9632\u706b\u5899\u4e2d\u5141\u8bb823\u7aef\u53e3\" title=\"\u5728\u9632\u706b\u5899\u4e2d\u5141\u8bb823\u7aef\u53e3\"><\/div>\n<pre class=\"post-pre\"><code># systemctl status telnet.socket<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/18-0.png\" class='post-images' alt=\"\u5728CentOS 7\u4e2d\u68c0\u67e5Telnet\u72b6\u6001\" title=\"\u5728CentOS 7\u4e2d\u68c0\u67e5Telnet\u72b6\u6001\"><\/div>\n<h3>\u521b\u5efa\u4e00\u4e2a\u767b\u5f55\u7528\u6237<\/h3>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528telnet\u534f\u8bae\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u767b\u5f55\u7684\u767b\u5f55\u7528\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code># adduser telnetuser<\/code><\/pre>\n<p>\u4e3a\u7528\u6237\u521b\u5efa\u4e00\u4e2a\u5bc6\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code># passwd telnetuser<\/code><\/pre>\n<p>\u8bf7\u63d0\u4f9b\u5bc6\u7801\u5e76\u786e\u8ba4\u3002\u82e5\u8981\u4f7f\u7528telnet\u547d\u4ee4\u767b\u5f55\u670d\u52a1\u5668\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ telnet \u670d\u52a1\u5668IP\u5730\u5740<\/code><\/pre>\n<p>\u4e3e\u4e2a\u4f8b\u5b50<\/p>\n<pre class=\"post-pre\"><code>$ telnet 38.76.11.19<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/28-2.png\" class='post-images' alt=\"\u4f7f\u7528Putty\u901a\u8fc7Telnet\u767b\u5f55CentOS\" title=\"\u4f7f\u7528Putty\u901a\u8fc7Telnet\u767b\u5f55CentOS\"><\/div>\n<h3>\u5728Ubuntu 18.04\u4e2d\u5b89\u88c5Telnet<\/h3>\n<p>\u5728Ubuntu 18.04\u4e2d\u5b89\u88c5Telnet\u534f\u8bae\u7684\u65b9\u6cd5\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>$ sudo apt install telnetd -y<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/32-0.png\" class='post-images' alt=\"\u5728Ubuntu\u4e0a\u5b89\u88c5Telnet\" title=\"\u5728Ubuntu\u4e0a\u5b89\u88c5Telnet\"><\/div>\n<pre class=\"post-pre\"><code>$ systemctl status inetd<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/34-0.png\" class='post-images' alt=\"\u68c0\u67e5inetd\u670d\u52a1\u72b6\u6001\" title=\"\u68c0\u67e5inetd\u670d\u52a1\u72b6\u6001\"><\/div>\n<pre class=\"post-pre\"><code>$ ufw allow 23\/tcp<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/36-0.png\" class='post-images' alt=\"\u5728UFW\u9632\u706b\u5899\u4e2d\u5141\u8bb823\u7aef\u53e3\" title=\"\u5728UFW\u9632\u706b\u5899\u4e2d\u5141\u8bb823\u7aef\u53e3\"><\/div>\n<pre class=\"post-pre\"><code>$ ufw reload<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/38-0.png\" class='post-images' alt=\"\u91cd\u65b0\u52a0\u8f7dUFW\u9632\u706b\u5899\" title=\"\u91cd\u65b0\u52a0\u8f7dUFW\u9632\u706b\u5899\"><\/div>\n<h2>\u4f7f\u7528 Telnet \u6765\u68c0\u67e5\u5f00\u653e\u7684\u7aef\u53e3<\/h2>\n<p>Telnet\u8fd8\u53ef\u7528\u4e8e\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u662f\u5426\u6253\u5f00\u4e86\u7279\u5b9a\u7aef\u53e3\u3002\u8981\u6267\u884c\u6b64\u64cd\u4f5c\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ telnet \u670d\u52a1\u5668IP \u7aef\u53e3\u53f7<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8981\u68c0\u67e5\u670d\u52a1\u5668\u4e0a\u7684\u7aef\u53e322\u662f\u5426\u5f00\u653e\uff0c\u8bf7\u6267\u884c\u6307\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ telnet 38.76.11.19 22<\/code><\/pre>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b1aa4b2f92e6c732beb\/44-0.png\" class='post-images' alt=\"\u4f7f\u7528Telnet\u6d4b\u8bd5\u5f00\u653e\u7aef\u53e3\" title=\"\u4f7f\u7528Telnet\u6d4b\u8bd5\u5f00\u653e\u7aef\u53e3\"><\/div>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u8fd9\u4e2a\u6559\u7a0b\u662f\u4e00\u4e2a\u6559\u80b2\u6307\u5357\uff0c\u5411\u60a8\u5c55\u793a\u5982\u4f55\u4f7f\u7528telnet\u534f\u8bae\u3002\u7531\u4e8e\u7f3a\u4e4f\u52a0\u5bc6\u9020\u6210\u7684\u9ad8\u5b89\u5168\u98ce\u9669\uff0c\u6211\u4eec\u975e\u5e38\u4e0d\u9f13\u52b1\u4f7f\u7528telnet\u3002\u5f53\u8fde\u63a5\u5230\u8fdc\u7a0b\u7cfb\u7edf\u65f6\uff0cSSH\u662f\u63a8\u8350\u7684\u534f\u8bae\u3002\u901a\u8fc7SSH\u53d1\u9001\u7684\u6570\u636e\u662f\u52a0\u5bc6\u7684\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u9632\u6b62\u88ab\u9ed1\u5ba2\u7a83\u53d6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Telnet\u662f\u4ec0\u4e48\uff1f Telnet\u662f\u4e00\u79cd\u8001\u65e7\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u7528\u4e8e\u901a\u8fc7TCP\/IP\u7f51\u7edc\u8fde\u63a5\u8fdc\u7a0b\u7cfb\u7edf\u3002\u5b83\u901a\u8fc7\u7aef\u53e323\u8fde [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[311,2020,832,246,2184],"class_list":["post-829","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux","tag-telnet","tag-unix","tag-246","tag-2184"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux\/Unix Telnet\u547d\u4ee4\u5b8c\u5168\u6559\u7a0b\uff1a\u5b9e\u7528\u7528\u6cd5\u4e0e\u914d\u7f6e\u6307\u5357 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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Telnet\u547d\u4ee4\u5b8c\u5168\u6559\u7a0b\uff1a\u5b9e\u7528\u7528\u6cd5\u4e0e\u914d\u7f6e\u6307\u5357\" \/>\n<meta property=\"og:description\" content=\"\u8be6\u7ec6\u4ecb\u7ecdLinux\/Unix\u7cfb\u7edf\u4e2dTelnet\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5305\u62ec\u57fa\u672c\u8bed\u6cd5\u3001\u5e38\u7528\u53c2\u6570\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u914d\u7f6e\u6280\u5de7\u3002\u901a\u8fc7\u5b9e\u7528\u5b9e\u4f8b\uff0c\u5e2e\u52a9\u7528\u6237\u638c\u63e1Telnet\u547d\u4ee4\u7684\u8fdc\u7a0b\u767b\u5f55\u3001\u7aef\u53e3\u6d4b\u8bd5\u7b49\u529f\u80fd\uff0c\u9002\u5408\u7cfb\u7edf\u7ba1\u7406\u5458\u548c\u7f51\u7edc\u5de5\u7a0b\u5e08\u5b66\u4e60\u53c2\u8003\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728linux-unix\u4e2d\u4f7f\u7528telnet\u547d\u4ee4\u7684\u7528\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" 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