{"id":11970,"date":"2025-04-18T19:07:09","date_gmt":"2025-04-18T11:07:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/11970.html"},"modified":"2025-04-18T19:07:09","modified_gmt":"2025-04-18T11:07:09","slug":"securecrt%e4%bd%bf%e7%94%a8ssh%e7%99%bb%e5%bd%95%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8a%a5%e9%94%99%ef%bc%9akey-exchange-failed","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/11970.html","title":{"rendered":"SecureCRT\u4f7f\u7528SSH\u767b\u5f55\u670d\u52a1\u5668\u62a5\u9519\uff1aKey exchange failed"},"content":{"rendered":"<p>SecureCRT\u4f7f\u7528SSH\u767b\u5f55Ubuntu\u670d\u52a1\u5668\u62a5\u9519&#xff1a;Key exchange failed<\/p>\n<p>\u539f\u56e0&#xff1a; ssh\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u516c\u94a5\u534f\u5546\u5931\u8d25&#xff0c;SecureCRT\u5ba2\u6237\u7aef\u6240\u6307\u5b9a\u7684\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5&#xff08;KexAlgorithms &#xff09;&#xff0c;\u4e0d\u5728\u670d\u52a1\u7aef\u652f\u6301\u8303\u56f4\u5185\u3002\u53ef\u80fd\u662f\u670d\u52a1\u7aef\u7684sshd\u7248\u672c\u6bd4\u8f83\u9ad8\u3001\u9ed8\u8ba4\u914d\u7f6e\u4e0d\u652f\u6301\u4e00\u4e9b\u6bd4\u8f83\u65e7\u7684\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5\u3002<\/p>\n<p>SecureCRT 7.0 \u4ec5\u652f\u6301\u4e0b\u9762\u51e0\u79cd&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"465\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418110707-6802325bde748.png\" width=\"527\" \/> \u89e3\u51b3\u65b9\u6848&#xff1a; \u65b9\u68481&#xff09;\u5347\u7ea7SecureCRT\u5230\u66f4\u9ad8\u7684\u7248\u672c\u3002 \u65b9\u68482&#xff09;\u4fee\u6539sshd\u670d\u52a1\u7aef\u914d\u7f6e\u3001\u6307\u5b9a\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5\u5217\u8868\u3002\u4ee5 ubuntu \u4e3a\u4f8b&#xff1a; vi \/etc\/ssh\/sshd_config \u5728\u914d\u7f6e\u6587\u4ef6\u672b\u5c3e\u8ffd\u52a0\u914d\u7f6e&#xff08;\u5982\u679c\u5df2\u7ecf\u5b58\u5728\u3001\u5c31\u4fee\u6539 KexAlgorithms\u00a0 \u914d\u7f6e&#xff09;\u5982\u4e0b&#xff1a; # for SecurCRT (version &lt; 8) ssh client<span style=\"color:#9c8ec1\">KexAlgorithms curve25519-sha256&#064;libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diff ie-hellman-group18-sha512,diffie-hellman-group14-sha256,<\/span><span style=\"color:#fe2c24\">diffie-hellman-group14-sha1<\/span> \u6216\u8005\u914d\u7f6e&#xff1a; KexAlgorithms &#043;diffie-hellman-group-exchange-sha256,<span style=\"color:#fe2c24\">diffie-hellman-group1-sha1<\/span> \u91cd\u542f\u670d\u52a1&#xff1a;service sshd restart \u65b9\u68483&#xff09;\u5982\u679c\u65e0\u6cd5\u672c\u5730\u767b\u5f55\u7ba1\u7406\u670d\u52a1\u7aef\u3001\u53ea\u80fdssh\u8bbf\u95ee\u670d\u52a1\u7aef\u7684\u8bdd&#xff0c;\u90a3\u53ef\u4ee5\u8bd5\u8bd5\u7528\u5176\u4ed6ssh\u5ba2\u6237\u7aef\u8f6f\u4ef6&#xff08;\u652f\u6301\u670d\u52a1\u7aef\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5&#xff09;\u5148\u767b\u5f55\u3001\u4fee\u6539\u670d\u52a1\u7aefsshd\u914d\u7f6e\u6587\u4ef6\u3001\u91cd\u542f\u670d\u52a1&#xff0c;\u7136\u540e\u5c31\u53ef\u4ee5\u901a\u8fc7SecureCRT\u5ba2\u6237\u7aef\u767b\u5f55\u4e86\u3002 \u4f8b\u5982&#xff0c;\u5982\u679c\u5b89\u88c5\u4e86git&#xff0c;\u53ef\u4ee5\u7528git\u81ea\u5e26\u7684 ssh.exe \u767b\u5f55\u3001\u4fee\u6539\u670d\u52a1\u7aef\u914d\u7f6e\u3002 cmd \u547d\u4ee4\u884c\u6267\u884c ssh.exe \u767b\u5f55&#xff1a; cd c:\\\\Program Files\\\\Git\\\\usr\\\\bin\\\\ ssh.exe root&#064;192.168.1.100<\/p>\n<p>\u4fee\u6539sshd\u914d\u7f6e\u540e&#xff0c;\u91cd\u542fsshd\u670d\u52a1&#xff0c;\u7136\u540e\u5c31\u53ef\u4ee5\u7528SecureCRT SSH\u767b\u5f55\u4e86\u3002<\/p>\n<\/p>\n<p>\u53e6\u5916&#xff0c;\u6ce8\u610f&#xff1a;\u5982\u679c\u662f\u94f6\u6cb3\u9e92\u9e9fV10&#xff0c;\u914d\u7f6e\u4f1a\u6709\u5dee\u5f02&#xff0c;\u5982\u679c\u53ea\u662f\u4fee\u6539 KexAlgorithms \u8fd8\u4e0d\u591f&#xff0c;\u8fd8\u662f\u4f1a\u62a5\u9519&#xff1a;<\/p>\n<p>Key exchange failed. No compatible key exchange method. The server supports these methods: curve25519-sha256,curve25519-sha256&#064;libssh.org,diffie-hellman-group-exchange-sha256 No compatible MAC. The server supports these MACs: hmac-sha2-512,hmac-sha2-512-etm&#064;openssh.com,hmac-sha2-256,hmac-sha2-256-etm&#064;openssh.com<\/p>\n<\/p>\n<p>\u540e\u9762\u4ed4\u7ec6\u67e5\u770bsshd\u914d\u7f6e\u6587\u4ef6&#xff0c;\u914d\u7f6e\u6709\u4e9b\u5dee\u5f02&#xff0c;\u914d\u7f6e\u6709\u533a\u522b&#xff1a;<\/p>\n<p>\u5982\u679c\u662f\u94f6\u6cb3\u9e92\u9e9fV10\u7cfb\u7edf&#xff0c;\u914d\u7f6e\u5982\u4e0b&#xff0c;<span style=\"color:#4da8ee\">\u9700\u8981\u6ce8\u91ca\u6389\u539f\u6765\u7684 Ciphers\u3001MACs\u3001KexAlgorithms \u53c2\u6570<\/span>&#xff0c;\u7136\u540e\u518d\u91cd\u65b0\u914d\u7f6e KexAlgorithms \u8ffd\u52a0\u5230\u672b\u5c3e&#xff1a; Protocol 2 LogLevel VERBOSE PubkeyAuthentication yes RSAAuthentication yes IgnoreRhosts yes RhostsRSAAuthentication no HostbasedAuthentication no PermitEmptyPasswords no PermitUserEnvironment no<span style=\"color:#9c8ec1\">#Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm&#064;openssh.com,aes256-gcm&#064;openssh.com,chacha20-poly1305&#064;openssh.com<\/span> ClientAliveCountMax 0 Banner \/etc\/issue.net<span style=\"color:#9c8ec1\">#MACs hmac-sha2-512,hmac-sha2-512-etm&#064;openssh.com,hmac-sha2-256,hmac-sha2-256-etm&#064;openssh.com<\/span> StrictModes yes AllowTcpForwarding no AllowAgentForwarding no GatewayPorts no PermitTunnel no<span style=\"color:#9c8ec1\">#KexAlgorithms curve25519-sha256,curve25519-sha256&#064;libssh.org,diffie-hellman-group-exchange-sha256<\/span><\/p>\n<p># national algorithm standards supports #HostKeyAlgorithms sm2<\/p>\n<p># for SecurCRT (version &lt; 8) ssh client KexAlgorithms curve25519-sha256&#064;libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,<span style=\"color:#fe2c24\">diffie-hellman-group14-sha1<\/span><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb7.6k\u6b21\uff0c\u70b9\u8d5e9\u6b21\uff0c\u6536\u85cf14\u6b21\u3002\u65b9\u68483\uff09\u5982\u679c\u65e0\u6cd5\u672c\u5730\u767b\u5f55\u7ba1\u7406\u670d\u52a1\u7aef\u3001\u53ea\u80fdssh\u8bbf\u95ee\u670d\u52a1\u7aef\u7684\u8bdd\uff0c\u90a3\u53ef\u4ee5\u8bd5\u8bd5\u7528\u5176\u4ed6ssh\u5ba2\u6237\u7aef\u8f6f\u4ef6\uff08\u652f\u6301\u670d\u52a1\u7aef\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5\uff09\u5148\u767b\u5f55\u3001\u4fee\u6539\u670d\u52a1\u7aefsshd\u914d\u7f6e\u6587\u4ef6\u3001\u91cd\u542f\u670d\u52a1\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u901a\u8fc7SecureCRT\u5ba2\u6237\u7aef\u767b\u5f55\u4e86\u3002ssh\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u516c\u94a5\u534f\u5546\u5931\u8d25\uff0cSecureCRT\u5ba2\u6237\u7aef\u6240\u6307\u5b9a\u7684\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5\uff08KexAlgorithms \uff09\uff0c\u4e0d\u5728\u670d\u52a1\u7aef\u652f\u6301\u8303\u56f4\u5185\u3002\u53ef\u80fd\u662f\u670d\u52a1\u7aef\u7684sshd\u7248\u672c\u6bd4\u8f83\u9ad8\u3001\u9ed8\u8ba4\u914d\u7f6e\u4e0d\u652f\u6301\u4e00\u4e9b\u6bd4\u8f83\u65e7\u7684\u79d8\u94a5\u4ea4\u6362\u7b97\u6cd5\u3002\u4fee\u6539sshd\u914d\u7f6e\u540e\uff0c\u91cd\u542fsshd\u670d\u52a1\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u7528SecureCRT SSH\u767b\u5f55\u4e86\u3002_key exchange failed.<\/p>\n","protected":false},"author":2,"featured_media":11969,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,77,628,43,44],"topic":[],"class_list":["post-11970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-ssh","tag-628","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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