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diff -pNaru5 a/src/main/java/com/jcraft/jsch/JSch.java b/src/main/java/com/jcraft/jsch/JSch.java
--- a/src/main/java/com/jcraft/jsch/JSch.java 2022-02-09 07:24:03.000000000 -0500
+++ b/src/main/java/com/jcraft/jsch/JSch.java 2022-02-15 23:13:54.826589765 -0500
@@ -40,18 +40,18 @@ public class JSch{
*/
public static final String VERSION = Version.getVersion();
static Hashtable<String, String> config=new Hashtable<>();
static{
- config.put("kex", Util.getSystemProperty("jsch.kex", "curve25519-sha256,curve25519-sha256@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"));
- config.put("server_host_key", Util.getSystemProperty("jsch.server_host_key", "ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256"));
+ config.put("kex", Util.getSystemProperty("jsch.kex", "curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group18-sha512,diffie-hellman-group16-sha512,diffie-hellman-group14-sha256,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1"));
+ config.put("server_host_key", Util.getSystemProperty("jsch.server_host_key", "ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa"));
config.put("prefer_known_host_key_types", Util.getSystemProperty("jsch.prefer_known_host_key_types", "yes"));
config.put("enable_server_sig_algs", Util.getSystemProperty("jsch.enable_server_sig_algs", "yes"));
- config.put("cipher.s2c", Util.getSystemProperty("jsch.cipher", "aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com"));
- config.put("cipher.c2s", Util.getSystemProperty("jsch.cipher", "aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com"));
- config.put("mac.s2c", Util.getSystemProperty("jsch.mac", "hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1"));
- config.put("mac.c2s", Util.getSystemProperty("jsch.mac", "hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1"));
+ config.put("cipher.s2c", Util.getSystemProperty("jsch.cipher", "aes256-ctr,aes256-gcm@openssh.com,aes256-cbc,aes192-ctr,aes192-cbc,aes128-ctr,aes128-gcm@openssh.com,aes128-cbc"));
+ config.put("cipher.c2s", Util.getSystemProperty("jsch.cipher", "aes256-ctr,aes256-gcm@openssh.com,aes256-cbc,aes192-ctr,aes192-cbc,aes128-ctr,aes128-gcm@openssh.com,aes128-cbc"));
+ config.put("mac.s2c", Util.getSystemProperty("jsch.mac", "hmac-sha2-512-etm@openssh.com,hmac-sha2-512,hmac-sha2-256-etm@openssh.com,hmac-sha2-256,hmac-sha1-etm@openssh.com,hmac-sha1"));
+ config.put("mac.c2s", Util.getSystemProperty("jsch.mac", "hmac-sha2-512-etm@openssh.com,hmac-sha2-512,hmac-sha2-256-etm@openssh.com,hmac-sha2-256,hmac-sha1-etm@openssh.com,hmac-sha1"));
config.put("compression.s2c", Util.getSystemProperty("jsch.compression", "none"));
config.put("compression.c2s", Util.getSystemProperty("jsch.compression", "none"));
config.put("lang.s2c", Util.getSystemProperty("jsch.lang", ""));
config.put("lang.c2s", Util.getSystemProperty("jsch.lang", ""));
@@ -225,11 +225,11 @@ public class JSch{
config.put("StrictHostKeyChecking", "ask");
config.put("HashKnownHosts", "no");
config.put("PreferredAuthentications", Util.getSystemProperty("jsch.preferred_authentications", "gssapi-with-mic,publickey,keyboard-interactive,password"));
- config.put("PubkeyAcceptedAlgorithms", Util.getSystemProperty("jsch.client_pubkey", "ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256"));
+ config.put("PubkeyAcceptedAlgorithms", Util.getSystemProperty("jsch.client_pubkey", "ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa"));
config.put("CheckCiphers", Util.getSystemProperty("jsch.check_ciphers", "chacha20-poly1305@openssh.com"));
config.put("CheckMacs", Util.getSystemProperty("jsch.check_macs", ""));
config.put("CheckKexes", Util.getSystemProperty("jsch.check_kexes", "curve25519-sha256,curve25519-sha256@libssh.org,curve448-sha512"));
config.put("CheckSignatures", Util.getSystemProperty("jsch.check_signatures", "ssh-ed25519,ssh-ed448"));
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