Здравствуйте, надавно столкнулся с неприятной проблемой. 21 и 22 порты закрыты. Дело явно не в iptables: $IPT -P INPUT ACCEPT $IPT -P FORWARD ACCEPT $IPT -P OUTPUT ACCEPT
Дает такой же результат как и при явном открытии портов: $IPT -P INPUT ACCEPT $IPT -P FORWARD ACCEPT $IPT -P OUTPUT ACCEPT $IPT -A INPUT -p tcp --dport 21 -j ACCEPT
Так же на машине крутится mysql на 3306 порту, с ним проблем нет и порт открыт и виден извне.
Что посоветуете с этим делать?
Конфиги sshd и vsftpd:
anonymous_enable=NO
local_enable=YES
write_enable=YES
local_umask=022
anon_umask=022
chown_uploads=NO
anon_upload_enable=YES
anon_mkdir_write_enable=YES
anon_other_write_enable=YES
dirmessage_enable=NO
xferlog_enable=YES
connect_from_port_20=NO
xferlog_file=/var/log/vsftpd.log
idle_session_timeout=600
data_connection_timeout=120
nopriv_user=ftp
async_abor_enable=YES
ftpd_banner=Welcome to blah FTP service.
listen=YES
anon_root=/home/ftp
# $OpenBSD: sshd_config,v 1.81 2009/10/08 14:03:41 markus 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 22
#AddressFamily any
ListenAddress 80.93.186.247
#ListenAddress ::
# The default requires explicit activation of protocol 1
Protocol 2
# 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 1024
# Logging
# obsoletes QuietMode and FascistLogging
#SyslogFacility AUTH
#LogLevel INFO
# Authentication:
LoginGraceTime 30s
PermitRootLogin yes
#StrictModes yes
MaxAuthTries 3
MaxSessions 3
#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 yes
#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 yes
#AllowAgentForwarding yes
#AllowTcpForwarding yes
#GatewayPorts no
#X11Forwarding no
#X11DisplayOffset 10
#X11UseLocalhost yes
PrintMotd no
PrintLastLog no
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
#ChrootDirectory none
# no default banner path
#Banner none
# here are the new patched ldap related tokens
# entries in your LDAP must have posixAccount & ldapPublicKey objectclass
#UseLPK yes
#LpkLdapConf /etc/ldap.conf
#LpkServers ldap://10.1.7.1/ ldap://10.1.7.2/
#LpkUserDN ou=users,dc=phear,dc=org
#LpkGroupDN ou=groups,dc=phear,dc=org
#LpkBindDN cn=Manager,dc=phear,dc=org
#LpkBindPw secret
#LpkServerGroup mail
#LpkFilter (hostAccess=master.phear.org)
#LpkForceTLS no
#LpkSearchTimelimit 3
#LpkBindTimelimit 3
#LpkPubKeyAttr sshPublicKey
# 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
Вывод netstat -tnlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 192.168.0.1:27027 0.0.0.0:* LISTEN 4112/python2.7
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 14869/vsftpd
tcp 0 0 80.93.186.247:22 0.0.0.0:* LISTEN 1603/sshd
tcp 0 0 80.93.186.247:3306 0.0.0.0:* LISTEN 1580/mysqld
По моим наблюдениям, 192.168.0.0/24 и 80.93.176.0/20 доступ имеют, провайдер порты точно НЕ закрывает. Раньше все работало нормально.
Так же стоит fail2ban.
