[CentOS-pt-br] Erro ao acesasr centos via Telnet

Lincoln Zuljewic Silva lincolnzsilva em gmail.com
Quinta Maio 26 14:41:08 EDT 2011


Thiago,

Dá um "ls -la /usr/sbin/in.telnetd".

Para o xinetd "/etc/init.d/xinetd stop" e roda ele em debug:
"xinetd -stayalive -pidfile /var/run/xinetd.pid -d"

Cola a saída do debug aqui...

[]'s
Lincoln

On Thu, May 26, 2011 at 3:32 PM, Thiago Gomes <thiagomespb em gmail.com> wrote:
> Chain RH-Firewall-1-INPUT (2 references)
> target     prot opt source               destination
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
> ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0           icmp type 255
> ACCEPT     esp  --  0.0.0.0/0            0.0.0.0/0
> ACCEPT     ah   --  0.0.0.0/0            0.0.0.0/0
> ACCEPT     udp  --  0.0.0.0/0            224.0.0.251         udp dpt:5353
> ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           udp dpt:631
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           tcp dpt:631
> ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state
> RELATED,ESTABLISHED
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:21
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:22
> ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> udp dpt:137
> ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> udp dpt:138
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:139
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:445
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:443
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:23
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:80
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:18000
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:28000
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:3456
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:8000
> ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW
> tcp dpt:8999
>
>
> 2011/5/26 Thiago Gomes <thiagomespb em gmail.com>:
>> Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2011-05-26 15:21 BRT
>> Interesting ports on sdealer-cvl (127.0.0.1):
>> Not shown: 65526 closed ports
>> PORT      STATE SERVICE
>> 139/tcp   open  netbios-ssn
>> 445/tcp   open  microsoft-ds
>> 631/tcp   open  ipp
>>
>>
>> Em 26 de maio de 2011 15:19, Gabriel Ricardo <gricardo87 em gmail.com> escreveu:
>>> não tem como ver no syslog? o que esta ocorrento, talvez tenha alguma
>>> reclamacao la
>>>
>>> Atenciosamente,
>>> Gabriel Ricardo.
>>> Skype: gricardo87
>>> MSN: gricardo87 em gmail.com
>>> Twitter: twitter.com/gricardo87
>>> Blog: www.tinotapa.com.br
>>>
>>>
>>> 2011/5/26 Thiago Gomes <thiagomespb em gmail.com>
>>>>
>>>> /etc/rc.d/init.d/xinetd start
>>>> Starting xinetd:                                           [  OK  ]
>>>> # telnet localhost
>>>> Trying 127.0.0.1...
>>>> telnet: connect to address 127.0.0.1: Connection refused
>>>> telnet: Unable to connect to remote host: Connection refused
>>>> # chkconfig telnet on
>>>> # telnet localhost
>>>> Trying 127.0.0.1...
>>>> telnet: connect to address 127.0.0.1: Connection refused
>>>> telnet: Unable to connect to remote host: Connection refused
>>>>
>>>> # /etc/rc.d/init.d/xinetd restart
>>>> Stopping xinetd:                                           [FAILED]
>>>> Starting xinetd:
>>>>
>>>> # sestatus
>>>> SELinux status:                 disabled
>>>>
>>>>
>>>> Em 26 de maio de 2011 15:05, Luiz Henrique Borges
>>>> <lhsborges em gmail.com> escreveu:
>>>> > É isso ai. Me esqueci desse detalhe!
>>>> >
>>>> > Em 26 de maio de 2011 15:02, Lucas Timm LH <linuxhelper em gmail.com>
>>>> > escreveu:
>>>> >>
>>>> >> Precisa sim, o telnet-server é componente do Xinetd. Vai dizer que você
>>>> >> sai instalando coisas a esmo sem ler a descrição do pacote? Dá um yum
>>>> >> info
>>>> >> telne-server...
>>>> >> 2011/5/26 Thiago Gomes <thiagomespb em gmail.com>
>>>> >>>
>>>> >>> nao precisa instalar o telnet-server ? como então eu removo ?
>>>> >>>
>>>> >>> 2011/5/26 Lucas Timm LH <linuxhelper em gmail.com>:
>>>> >>> > @Thiago Gomes
>>>> >>> > O servidor telnet roda dentro do xinet server. Assim o controle do
>>>> >>> > serviço é
>>>> >>> > feito pelo daemon xinetd.
>>>> >>> >
>>>> >>> > 2011/5/26 Lucas Timm LH <linuxhelper em gmail.com>
>>>> >>> >>
>>>> >>> >> service xinetd restart? Olha o iptables também. Aqui na empresa eu
>>>> >>> >> tenho o
>>>> >>> >> telnet-server rodando no servidor principal, funciona muito bem.
>>>> >>> >> [root em rhel01 etc]# uptime
>>>> >>> >>  14:53:11 up 54 days,  7:58, 538 users,  load average: 0.86, 0.61,
>>>> >>> >> 0.45
>>>> >>> >> [root em rhel01 etc]#
>>>> >>> >> [root em rhel01 etc]# cat /etc/xinetd.d/telnet
>>>> >>> >> # default: on
>>>> >>> >> # description: The telnet server serves telnet sessions; it uses \
>>>> >>> >> #       unencrypted username/password pairs for authentication.
>>>> >>> >> service telnet
>>>> >>> >> {
>>>> >>> >>         flags           = REUSE
>>>> >>> >>         socket_type     = stream
>>>> >>> >>         wait            = no
>>>> >>> >>         user            = root
>>>> >>> >>         server          = /usr/sbin/in.telnetd
>>>> >>> >>         log_on_failure  += USERID
>>>> >>> >>         disable         = no
>>>> >>> >> }
>>>> >>> >> [root em rhel01 etc]#
>>>> >>> >>
>>>> >>> >>
>>>> >>> >>
>>>> >>> >> 2011/5/26 Thiago Gomes <thiagomespb em gmail.com>
>>>> >>> >>>
>>>> >>> >>> veja isso
>>>> >>> >>>
>>>> >>> >>> service telnet start
>>>> >>> >>> telnet: unrecognized service
>>>> >>> >>> #  yum install telnet-server
>>>> >>> >>> Loaded plugins: fastestmirror
>>>> >>> >>> Loading mirror speeds from cached hostfile
>>>> >>> >>>  * addons: centos.argohost.net
>>>> >>> >>>  * base: centos.argohost.net
>>>> >>> >>>  * extras: centos.argohost.net
>>>> >>> >>>  * rpmforge: fr2.rpmfind.net
>>>> >>> >>>  * updates: centos.argohost.net
>>>> >>> >>> Excluding Packages in global exclude list
>>>> >>> >>> Finished
>>>> >>> >>> Setting up Install Process
>>>> >>> >>> Package 1:telnet-server-0.17-39.el5.i386 already installed and
>>>> >>> >>> latest
>>>> >>> >>> version
>>>> >>> >>> Nothing to do
>>>> >>> >>>
>>>> >>> >>> estranho... o telnet-server esta instalado
>>>> >>> >>>
>>>> >>> >>>
>>>> >>> >>> Em 26 de maio de 2011 14:32, Luiz Henrique Borges
>>>> >>> >>> <lhsborges em gmail.com> escreveu:
>>>> >>> >>> > service telnet status
>>>> >>> >>> >
>>>> >>> >>> > Me parece que o serviço não está rodando!!!
>>>> >>> >>> >
>>>> >>> >>> > Em 26 de maio de 2011 14:24, Thiago Gomes
>>>> >>> >>> > <thiagomespb em gmail.com>
>>>> >>> >>> > escreveu:
>>>> >>> >>> >>
>>>> >>> >>> >> nada..
>>>> >>> >>> >>
>>>> >>> >>> >>
>>>> >>> >>> >> Em 26 de maio de 2011 14:13, Luiz Henrique Borges
>>>> >>> >>> >> <lhsborges em gmail.com> escreveu:
>>>> >>> >>> >> > telnet não, coloca o número 23 no filtro.
>>>> >>> >>> >> >
>>>> >>> >>> >> > 2011/5/26 Thiago Gomes <thiagomespb em gmail.com>
>>>> >>> >>> >> >>
>>>> >>> >>> >> >> #netstat -a | grep telnet
>>>> >>> >>> >> >> #
>>>> >>> >>> >> >>
>>>> >>> >>> >> >> nada..
>>>> >>> >>> >> >>
>>>> >>> >>> >> >> 2011/5/26 Luiz Henrique Borges <lhsborges em gmail.com>:
>>>> >>> >>> >> >> > netstat -tunape | grep -i 23
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > O seviço está em LISTEN, ouvindo na porta 23? Cole o
>>>> >>> >>> >> >> > retorno
>>>> >>> >>> >> >> > desse
>>>> >>> >>> >> >> > comando
>>>> >>> >>> >> >> > pra gente!!!
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > O firewall não está barrando?
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > 2011/5/26 Thiago Gomes <thiagomespb em gmail.com>
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> Pessoal,
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> Estou com erro de configurar o meu servidor via telnet.
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> fiz a instalação..
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> #yum install telnet-server
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> # telnet localhost
>>>> >>> >>> >> >> >> Trying 127.0.0.1...
>>>> >>> >>> >> >> >> telnet: connect to address 127.0.0.1: Connection refused
>>>> >>> >>> >> >> >> telnet: Unable to connect to remote host: Connection
>>>> >>> >>> >> >> >> refused
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> #/etc/init.d/xinetd reload
>>>> >>> >>> >> >> >> Reloading configuration:
>>>> >>> >>> >> >> >> [FAILED]
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> #chkconfig --list | grep telnet
>>>> >>> >>> >> >> >>        ekrb5-telnet:   off
>>>> >>> >>> >> >> >>        krb5-telnet:    off
>>>> >>> >>> >> >> >>        telnet:         on
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> service telnet
>>>> >>> >>> >> >> >> {
>>>> >>> >>> >> >> >>        disable = no
>>>> >>> >>> >> >> >>        flags           = REUSE
>>>> >>> >>> >> >> >>        socket_type     = stream
>>>> >>> >>> >> >> >>        wait            = no
>>>> >>> >>> >> >> >>        user            = root
>>>> >>> >>> >> >> >>        server          = /usr/sbin/in.telnetd
>>>> >>> >>> >> >> >>        log_on_failure  += USERID
>>>> >>> >>> >> >> >> }
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> Falta alguma coisa. ??
>>>> >>> >>> >> >> >>
>>>> >>> >>> >> >> >> --
>>>> >>> >>> >> >> >> Thiago Gomes
>>>> >>> >>> >> >> >> _______________________________________________
>>>> >>> >>> >> >> >> CentOS-pt-br mailing list
>>>> >>> >>> >> >> >> CentOS-pt-br em centos.org
>>>> >>> >>> >> >> >> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > --
>>>> >>> >>> >> >> > Luiz Henrique Borges
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > Junior Level Linux Professional (LPIC-1)
>>>> >>> >>> >> >> > LPI ID: LPI000214825
>>>> >>> >>> >> >> > Verification Code: akdd5dsk5t
>>>> >>> >>> >> >> > https://cs.lpi.org/caf/Xamman/certification
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > Novell Certified Linux Administrator
>>>> >>> >>> >> >> > Data Center Technical Specialist
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> > _______________________________________________
>>>> >>> >>> >> >> > CentOS-pt-br mailing list
>>>> >>> >>> >> >> > CentOS-pt-br em centos.org
>>>> >>> >>> >> >> > http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >> >
>>>> >>> >>> >> >>
>>>> >>> >>> >> >>
>>>> >>> >>> >> >>
>>>> >>> >>> >> >> --
>>>> >>> >>> >> >> Thiago Gomes
>>>> >>> >>> >> >> _______________________________________________
>>>> >>> >>> >> >> CentOS-pt-br mailing list
>>>> >>> >>> >> >> CentOS-pt-br em centos.org
>>>> >>> >>> >> >> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>> >> >
>>>> >>> >>> >> >
>>>> >>> >>> >> >
>>>> >>> >>> >> > --
>>>> >>> >>> >> > Luiz Henrique Borges
>>>> >>> >>> >> >
>>>> >>> >>> >> > Junior Level Linux Professional (LPIC-1)
>>>> >>> >>> >> > LPI ID: LPI000214825
>>>> >>> >>> >> > Verification Code: akdd5dsk5t
>>>> >>> >>> >> > https://cs.lpi.org/caf/Xamman/certification
>>>> >>> >>> >> >
>>>> >>> >>> >> > Novell Certified Linux Administrator
>>>> >>> >>> >> > Data Center Technical Specialist
>>>> >>> >>> >> >
>>>> >>> >>> >> >
>>>> >>> >>> >> > _______________________________________________
>>>> >>> >>> >> > CentOS-pt-br mailing list
>>>> >>> >>> >> > CentOS-pt-br em centos.org
>>>> >>> >>> >> > http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>> >> >
>>>> >>> >>> >> >
>>>> >>> >>> >>
>>>> >>> >>> >>
>>>> >>> >>> >>
>>>> >>> >>> >> --
>>>> >>> >>> >> Thiago Gomes
>>>> >>> >>> >> _______________________________________________
>>>> >>> >>> >> CentOS-pt-br mailing list
>>>> >>> >>> >> CentOS-pt-br em centos.org
>>>> >>> >>> >> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>> >
>>>> >>> >>> >
>>>> >>> >>> >
>>>> >>> >>> > --
>>>> >>> >>> > Luiz Henrique Borges
>>>> >>> >>> >
>>>> >>> >>> > Junior Level Linux Professional (LPIC-1)
>>>> >>> >>> > LPI ID: LPI000214825
>>>> >>> >>> > Verification Code: akdd5dsk5t
>>>> >>> >>> > https://cs.lpi.org/caf/Xamman/certification
>>>> >>> >>> >
>>>> >>> >>> > Novell Certified Linux Administrator
>>>> >>> >>> > Data Center Technical Specialist
>>>> >>> >>> >
>>>> >>> >>> >
>>>> >>> >>> > _______________________________________________
>>>> >>> >>> > CentOS-pt-br mailing list
>>>> >>> >>> > CentOS-pt-br em centos.org
>>>> >>> >>> > http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>> >
>>>> >>> >>> >
>>>> >>> >>>
>>>> >>> >>>
>>>> >>> >>>
>>>> >>> >>> --
>>>> >>> >>> Thiago Gomes
>>>> >>> >>> _______________________________________________
>>>> >>> >>> CentOS-pt-br mailing list
>>>> >>> >>> CentOS-pt-br em centos.org
>>>> >>> >>> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >>
>>>> >>> >>
>>>> >>> >>
>>>> >>> >> --
>>>> >>> >> Lucas Timm, Goiânia/GO.
>>>> >>> >> http://timmerman.wordpress.com
>>>> >>> >>
>>>> >>> >> (62) 8198-0867
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>> > --
>>>> >>> > Lucas Timm, Goiânia/GO.
>>>> >>> > http://timmerman.wordpress.com
>>>> >>> >
>>>> >>> > (62) 8198-0867
>>>> >>> >
>>>> >>> > _______________________________________________
>>>> >>> > CentOS-pt-br mailing list
>>>> >>> > CentOS-pt-br em centos.org
>>>> >>> > http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>>
>>>> >>>
>>>> >>> --
>>>> >>> Thiago Gomes
>>>> >>> _______________________________________________
>>>> >>> CentOS-pt-br mailing list
>>>> >>> CentOS-pt-br em centos.org
>>>> >>> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>
>>>> >>
>>>> >>
>>>> >> --
>>>> >> Lucas Timm, Goiânia/GO.
>>>> >> http://timmerman.wordpress.com
>>>> >>
>>>> >> (62) 8198-0867
>>>> >>
>>>> >> _______________________________________________
>>>> >> CentOS-pt-br mailing list
>>>> >> CentOS-pt-br em centos.org
>>>> >> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >>
>>>> >
>>>> >
>>>> >
>>>> > --
>>>> > Luiz Henrique Borges
>>>> >
>>>> > Junior Level Linux Professional (LPIC-1)
>>>> > LPI ID: LPI000214825
>>>> > Verification Code: akdd5dsk5t
>>>> > https://cs.lpi.org/caf/Xamman/certification
>>>> >
>>>> > Novell Certified Linux Administrator
>>>> > Data Center Technical Specialist
>>>> >
>>>> >
>>>> > _______________________________________________
>>>> > CentOS-pt-br mailing list
>>>> > CentOS-pt-br em centos.org
>>>> > http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>> >
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Thiago Gomes
>>>> _______________________________________________
>>>> CentOS-pt-br mailing list
>>>> CentOS-pt-br em centos.org
>>>> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>
>>>
>>> _______________________________________________
>>> CentOS-pt-br mailing list
>>> CentOS-pt-br em centos.org
>>> http://lists.centos.org/mailman/listinfo/centos-pt-br
>>>
>>>
>>
>>
>>
>> --
>> Thiago Gomes
>>
>
>
>
> --
> Thiago Gomes
> _______________________________________________
> CentOS-pt-br mailing list
> CentOS-pt-br em centos.org
> http://lists.centos.org/mailman/listinfo/centos-pt-br
>



-- 
Lincoln Zuljewic Silva
More contact info.: http://www.system.adm.br/contact.php

"How often must a question be asked before it’s considered a
frequently asked question?"


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