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Mam takiego zonka, moze ktos mi podpowie, co moze byc przyczyna. Sposrod kilkunastu hostow, nie moge sie wbic ze swojego serwerka praktycznie na zadnego, poza jednym. Dostep do wspomnianych hostow mam, wszystkie maja ustawione serwer ssh na 22. Niestety ja ze swojego na nie wbic sie nie moge. Po wywolaniu polecenia wszystko "wisi", kompletny freeze. Zadnego timeoutu, nie nic. Zalogowac sie z hosta na swoj serwer moge - bez problemu... Cos mam skopane z klientem? Czegos szukac?
Ostatnio edytowany przez Kpt. (2010-05-02 12:25:17)
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Szukać najlepiej logów — zarówno po stronie klienta, jak i serwera przyjmującego-nieprzyjmującego połączenie.
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Czy debug wystarczy?
OpenSSH_4.3p2 Debian-9etch3, OpenSSL 0.9.8c 05 Sep 2006 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to 192.168.252.2 [192.168.252.2] port 22. debug1: Connection established. debug1: permanently_set_uid: 0/0 debug1: identity file /root/.ssh/identity type -1 debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_dsa type -1
przy jedynym hoscie, na ktorego udaje mi sie wbic
debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to 192.168.252.1 [192.168.252.1] port 122. debug1: Connection established. debug1: identity file /home/technik/.ssh/identity type -1 debug1: identity file /home/technik/.ssh/id_rsa type -1 debug1: identity file /home/technik/.ssh/id_dsa type -1 debug1: Remote protocol version 1.99, remote software version OpenSSH_2.3.0_Mikrotik_v2.9 debug1: match: OpenSSH_2.3.0_Mikrotik_v2.9 pat OpenSSH_2.3.0* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.3p2 Debian-9etch3 debug2: fd 3 setting O_NONBLOCK debug2: Original cipher proposal: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: Compat cipher proposal: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,rijndael-cbc@lysator.liu.se debug2: Original cipher proposal: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: Compat cipher proposal: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,rijndael-cbc@lysator.liu.se debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,rijndael-cbc@lysator.liu.se debug2: kex_parse_kexinit: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,rijndael-cbc@lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss debug2: kex_parse_kexinit: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes128-cbc,aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,rijndael256-cbc,rijndael-cbc@lysator.liu.se debug2: kex_parse_kexinit: 3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes128-cbc,aes192-cbc,aes256-cbc,rijndael128-cbc,rijndael192-cbc,rijndael256-cbc,rijndael-cbc@lysator.liu.se debug2: kex_parse_kexinit: hmac-sha1,hmac-md5,hmac-ripemd160@openssh.com debug2: kex_parse_kexinit: hmac-sha1,hmac-md5,hmac-ripemd160@openssh.com debug2: kex_parse_kexinit: none,zlib debug2: kex_parse_kexinit: none,zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_init: found hmac-md5 debug1: kex: server->client 3des-cbc hmac-md5 none debug2: mac_init: found hmac-md5 debug1: kex: client->server 3des-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST_OLD(2048) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 198/384 debug2: bits set: 525/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: check_host_in_hostfile: filename /home/technik/.ssh/known_hosts debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts debug3: check_host_in_hostfile: filename /home/technik/.ssh/known_hosts debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts debug2: no key of type 0 for host 192.168.252.1 debug3: check_host_in_hostfile: filename /home/technik/.ssh/known_hosts2 debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts2 debug3: check_host_in_hostfile: filename /home/technik/.ssh/known_hosts debug3: check_host_in_hostfile: filename /etc/ssh/ssh_known_hosts debug2: no key of type 1 for host 192.168.252.1 The authenticity of host '192.168.252.1 (192.168.252.1)' can't be established. DSA key fingerprint is a0:29:ff:35:21:9d:a2:67:39:7f:63:c3:af:a3:50:c7.
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Musze przyznac, ze dosyc specyficzny objaw. W kazdym razie, powodem byly jakies problemy z routingiem. Pakiety wracaly do hosta nawiazujacego polaczenie ssh z innego adresu, niz byly nawiazywane (adres pryw---> adres_pryw a wracal adres_pryw--->adres_pub--->adres_pub)
Ostatnio edytowany przez Kpt. (2010-05-02 12:31:18)
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