Gentoo Logo
Gentoo Spaceship




Note: Due to technical difficulties, the Archives are currently not up to date. GMANE provides an alternative service for most mailing lists.
c.f. bug 424647
List Archive: gentoo-user-hu
Navigation:
Lists: gentoo-user-hu: < Prev By Thread Next > < Prev By Date Next >
Headers:
To: gentoo-user-hu@g.o
From: cjvt <cjvt@...>
Subject: Re: sshd reverse mapping problema
Date: Tue, 13 Mar 2007 15:59:57 +0100
es tenyleg. :)
thx


2007. március 13. dátummal Aleph ezt írta:
> Most nincs engedélyezve az egyik azonosítási mód sem. :-)
> Ajánlom:
> http://www.gentoo.org/doc/hu/security/security-handbook.xml?part=1&chap=10#
>doc_chap11
>
> Aleph
>
> 2007/3/13, cjvt <cjvt@...>:
> > $ cat sshd_config
> >
> > #       $OpenBSD: sshd_config,v 1.74 2006/07/19 13:07:10 dtucker Exp $
> >
> > # This is the sshd server system-wide configuration file.  See
> > # sshd_config(5) for more information.
> >
> > # This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin
> >
> > # The strategy used for options in the default sshd_config shipped with
> > # OpenSSH is to specify options with their default value where
> > # possible, but leave them commented.  Uncommented options change a
> > # default value.
> >
> > Port 225
> > Protocol 2
> > #AddressFamily any
> > #ListenAddress 0.0.0.0
> > #ListenAddress ::
> >
> > # HostKey for protocol version 1
> > #HostKey /etc/ssh/ssh_host_key
> > # HostKeys for protocol version 2
> > #HostKey /etc/ssh/ssh_host_rsa_key
> > #HostKey /etc/ssh/ssh_host_dsa_key
> >
> > # Lifetime and size of ephemeral version 1 server key
> > #KeyRegenerationInterval 1h
> > #ServerKeyBits 768
> >
> > # Logging
> > # obsoletes QuietMode and FascistLogging
> > #SyslogFacility AUTH
> > #LogLevel INFO
> >
> > # Authentication:
> >
> > #LoginGraceTime 2m
> > PermitRootLogin no
> > #StrictModes yes
> > #MaxAuthTries 6
> >
> > #RSAAuthentication yes
> > #PubkeyAuthentication yes
> > #AuthorizedKeysFile     .ssh/authorized_keys
> >
> > # For this to work you will also need host keys in
> > /etc/ssh/ssh_known_hosts
> > #RhostsRSAAuthentication no
> > # similar for protocol version 2
> > #HostbasedAuthentication no
> > # Change to yes if you don't trust ~/.ssh/known_hosts for
> > # RhostsRSAAuthentication and HostbasedAuthentication
> > #IgnoreUserKnownHosts no
> > # Don't read the user's ~/.rhosts and ~/.shosts files
> > #IgnoreRhosts yes
> >
> > # To disable tunneled clear text passwords, change to no here!
> > PasswordAuthentication no
> > #PermitEmptyPasswords no
> >
> > # Change to no to disable s/key passwords
> > #ChallengeResponseAuthentication yes
> >
> > # Kerberos options
> > #KerberosAuthentication no
> > #KerberosOrLocalPasswd yes
> > #KerberosTicketCleanup yes
> > #KerberosGetAFSToken no
> >
> > # GSSAPI options
> > #GSSAPIAuthentication no
> > #GSSAPICleanupCredentials yes
> >
> > # Set this to 'yes' to enable PAM authentication, account processing,
> > # and session processing. If this is enabled, PAM authentication will
> > # be allowed through the ChallengeResponseAuthentication and
> > # PasswordAuthentication.  Depending on your PAM configuration,
> > # PAM authentication via ChallengeResponseAuthentication may bypass
> > # the setting of "PermitRootLogin without-password".
> > # If you just want the PAM account and session checks to run without
> > # PAM authentication, then enable this but set PasswordAuthentication
> > # and ChallengeResponseAuthentication to 'no'.
> > UsePAM no
> >
> > #AllowTcpForwarding yes
> > #GatewayPorts no
> > #X11Forwarding no
> > #X11DisplayOffset 10
> > #X11UseLocalhost yes
> > #PrintMotd yes
> > #PrintLastLog yes
> > #TCPKeepAlive yes
> > #UseLogin no
> > #UsePrivilegeSeparation yes
> > #PermitUserEnvironment no
> > #Compression delayed
> > #ClientAliveInterval 0
> > #ClientAliveCountMax 3
> > UseDNS no
> > #PidFile /var/run/sshd.pid
> > #MaxStartups 10
> > #PermitTunnel no
> >
> > # no default banner path
> > #Banner /some/path
> >
> > # override default of no subsystems
> > Subsystem       sftp    /usr/lib64/misc/sftp-server
> >
> > # Example of overriding settings on a per-user basis
> > #Match User anoncvs
> > #       X11Forwarding no
> > #       AllowTcpForwarding no
> > #       ForceCommand cvs server
> >
> >
> > vt
> >
> > 2007. március 13. dátummal Aleph ezt írta:
> > > A baj az, hogy a jelszavas azonosítás nincs engedélyezve, de elvárja.
> >
> > Ezért
> >
> > > a public-key sikeressége után elutasít. Ha minden igaz akkor a
> > > configfile-ban nincs kommentelve a pam-ot engedélyező sor.
> > >
> > > Aleph
> > >
> > > 2007/3/13, cjvt <cjvt@...>:
> > > > udv Mindenki,
> > > >
> > > > Van egy olyan problemam, hogy nem tudom mi okbol, de az sshd
> >
> > eltanacsol:
> > > > Ha a kliensen (ubuntu - 192.168.1.1) probalkozom, ez az eredmeny:
> > > >
> > > > $ ssh user@... -p 225 -v
> > > >
> > > > OpenSSH_4.3p2 Debian-5ubuntu1, OpenSSL 0.9.8b 04 May 2006
> > > > debug1: Reading configuration data /etc/ssh/ssh_config
> > > > debug1: Applying options for *
> > > > debug1: Connecting to 192.168.1.50 [192.168.1.50] port 225.
> > > > debug1: Connection established.
> > > > debug1: identity file /home/user/.ssh/identity type -1
> > > > debug1: identity file /home/user/.ssh/id_rsa type -1
> > > > debug1: identity file /home/user/.ssh/id_dsa type -1
> > > > debug1: Remote protocol version 2.0, remote software version
> >
> > OpenSSH_4.6
> >
> > > > debug1: match: OpenSSH_4.6 pat OpenSSH*
> > > > debug1: Enabling compatibility mode for protocol 2.0
> > > > debug1: Local version string SSH-2.0-OpenSSH_4.3p2 Debian-5ubuntu1
> > > > debug1: SSH2_MSG_KEXINIT sent
> > > > debug1: SSH2_MSG_KEXINIT received
> > > > debug1: kex: server->client aes128-cbc hmac-md5 none
> > > > debug1: kex: client->server aes128-cbc hmac-md5 none
> > > > debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
> > > > debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
> > > > debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
> > > > debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
> > > > debug1: Host '192.168.1.50' is known and matches the RSA host key.
> > > > debug1: Found key in /home/user/.ssh/known_hosts:1
> > > > debug1: ssh_rsa_verify: signature correct
> > > > debug1: SSH2_MSG_NEWKEYS sent
> > > > debug1: expecting SSH2_MSG_NEWKEYS
> > > > debug1: SSH2_MSG_NEWKEYS received
> > > > debug1: SSH2_MSG_SERVICE_REQUEST sent
> > > > debug1: SSH2_MSG_SERVICE_ACCEPT received
> > > > debug1: Authentications that can continue: publickey
> > > > debug1: Next authentication method: publickey
> > > > debug1: Trying private key: /home/user/.ssh/identity
> > > > debug1: Trying private key: /home/user/.ssh/id_rsa
> > > > debug1: Trying private key: /home/user/.ssh/id_dsa
> > > > debug1: No more authentication methods to try.
> > > > Permission denied (publickey).
> > > >
> > > >
> > > > a szerver (gentoo - 192.168.1.50) ugyanakkor ezt mondja a lognak:
> > > >
> > > >
> > > > reverse mapping checking getaddrinfo for server [192.168.1.1] failed
> > > > - POSSIBLE BREAK-IN ATTEMPT!
> > > >
> > > > valaki tudja, mit editaltam tonkre? ;)
> > > >
> > > > vt
> > > > --
> > > > gentoo-user-hu@g.o mailing list
> >
> > --
> > gentoo-user-hu@g.o mailing list


--
gentoo-user-hu@g.o mailing list


References:
sshd reverse mapping problema
-- cjvt
Re: sshd reverse mapping problema
-- cjvt
Re: sshd reverse mapping problema
-- Aleph
Navigation:
Lists: gentoo-user-hu: < Prev By Thread Next > < Prev By Date Next >
Previous by thread:
Re: sshd reverse mapping problema
Next by thread:
Re: Hotswap sata kérdések
Previous by date:
Re: sshd reverse mapping problema
Next by date:
50-udev.rules


Updated Jun 17, 2009

Summary: Archive of the gentoo-user-hu mailing list.

Donate to support our development efforts.

Copyright 2001-2013 Gentoo Foundation, Inc. Questions, Comments? Contact us.