[问题求助][SuSE] ==telnet登陆不上25号端口，可以登陆110端口== [复制链接]

telnet登.陆不上25号端口，提示信息：.
sus.elinux:/srv/www/htdocs # telnet 127.0.0..1 25(        游戏          )
T.rying 127.0.0.1...电影
telnet: connect to ad.dress 127.0.0..1: Connection timed out虚拟主机

telnet服务已开启
sus.elin.ux:/srv/www/htdocs # chkconfig --list telnet电脑
xinetd based serv.ices:健康
        telnet:           ..  on投资

25号端口已打开
suselinux:/srv/w.ww/htdocs # lsof. -i:25电影
C.OMMAND  PID USER   FD   TYPE DEV.ICE SIZE/OFF NODE NAME.
master  2961 root   11u  IPv4   9.621      0.t0  TCP .localhost:spr-itunes (LISTEN)           女人

#iptables -X
#iptables -F
清除防火墙设置



请问这是为什么呢？真着急呀！

[ .本帖最后由 奋斗的毛毛虫 于 2008-9-17 11:25 编辑 ].健康
pos.t.GIF (6.7 KB) .
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20.08-09-17 11:24          婚庆

http://upload.bbs.csuboy.com/Mon_1004/126_6732_1c33478f6d03536.gif[/img].

iptables-save结果贴下
有可能是防火墙的问题

或者你直接telnet 主机ip的25

如果是超时，有可能和配置有关，配置配的不当有时候会造成端口启动，但是telnet上不去

你直接telnet 127.0.0.1 23看看

想问下lz咋个在25端口上开启telnet的服务呢？能给出配置么？谢谢

QUOTE:25号端口已打开
suselinux:/srv/www/htdocs # lsof -i:25
COMMAND  PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
master  2961 root   11u  IPv4   9621      0t0  TCP localhost:spr-itunes (LISTEN)

我咋就没有看出来25开了呢？！你把这个pid拿出来看看？

QUOTE:原帖由 剑次狼 于 2008-9-11 20:12 发表
iptables-save结果贴下
有可能是防火墙的问题

或者你直接telnet 主机ip的25


suselinux:~/Desktop # iptables-save
# Generated by iptables-save v1.4.0 on Fri Sep 12 08:15:45 2008
*mangle
REROUTING ACCEPT [40095:3295791]
:INPUT ACCEPT [40095:3295791]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [39640:2456911]
OSTROUTING ACCEPT [39672:2461032]
COMMIT
# Completed on Fri Sep 12 08:15:45 2008
# Generated by iptables-save v1.4.0 on Fri Sep 12 08:15:45 2008
*nat
REROUTING ACCEPT [313:33144]
OSTROUTING ACCEPT [195:11949]
:OUTPUT ACCEPT [195:11949]
COMMIT
# Completed on Fri Sep 12 08:15:45 2008
# Generated by iptables-save v1.4.0 on Fri Sep 12 08:15:45 2008
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
:forward_ext - [0:0]
:input_ext - [0:0]
:reject_func - [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state ESTABLISHED -j ACCEPT
-A INPUT -p icmp -m state --state RELATED -j ACCEPT
-A INPUT -i eth0 -j input_ext
-A INPUT -j input_ext
-A INPUT -m limit --limit 3/min -j LOG --log-prefix "SFW2-IN-ILL-TARGET " --log-tcp-options --log-ip-options
-A INPUT -j DROP
-A FORWARD -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWD-ILL-ROUTING " --log-tcp-options --log-ip-options
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m limit --limit 3/min -j LOG --log-prefix "SFW2-OUT-ERROR " --log-tcp-options --log-ip-options
-A input_ext -m pkttype --pkt-type broadcast -j DROP
-A input_ext -p icmp -m icmp --icmp-type 4 -j ACCEPT
-A input_ext -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A input_ext -p tcp -m limit --limit 3/min -m tcp --dport 110 --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-ACC-TCP " --log-tcp-options --log-ip-options
-A input_ext -p tcp -m tcp --dport 110 -j ACCEPT
-A input_ext -m limit --limit 3/min -m pkttype --pkt-type multicast -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -m pkttype --pkt-type multicast -j DROP
-A input_ext -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -p udp -m limit --limit 3/min -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -m limit --limit 3/min -m state --state INVALID -j LOG --log-prefix "SFW2-INext-DROP-DEFLT-INV " --log-tcp-options --log-ip-options
-A input_ext -j DROP
-A reject_func -p tcp -j REJECT --reject-with tcp-reset
-A reject_func -p udp -j REJECT --reject-with icmp-port-unreachable
-A reject_func -j REJECT --reject-with icmp-proto-unreachable
COMMIT
# Completed on Fri Sep 12 08:15:45 2008
suselinux:~/Desktop #

QUOTE:原帖由 jerrywjl 于 2008-9-12 00:44 发表

我咋就没有看出来25开了呢？！你把这个pid拿出来看看？


suselinux:~/Desktop # chkconfig --list telnet
xinetd based services:
        telnet:             on
suselinux:~/Desktop # nmap 127.0.0.1

Starting Nmap 4.60 ( http://nmap.org ) at 2008-09-12 08:40 CST
Interesting ports on localhost (127.0.0.1):
Not shown: 1682 closed ports
PORT     STATE SERVICE
7/tcp    open  echo
9/tcp    open  discard
11/tcp   open  systat
13/tcp   open  daytime
19/tcp   open  chargen
21/tcp   open  ftp
22/tcp   open  ssh
23/tcp   open  telnet
25/tcp   open  smtp
37/tcp   open  time
53/tcp   open  domain
80/tcp   open  http
109/tcp  open  pop2
110/tcp  open  pop3
111/tcp  open  rpcbind
143/tcp  open  imap
389/tcp  open  ldap
515/tcp  open  printer
631/tcp  open  ipp
873/tcp  open  rsync
901/tcp  open  samba-swat
953/tcp  open  rndc
993/tcp  open  imaps
995/tcp  open  pop3s
2401/tcp open  cvspserver
5432/tcp open  postgres
5801/tcp open  vnc-http-1
5802/tcp open  vnc-http-2
5803/tcp open  vnc-http-3
5901/tcp open  vnc-1
5902/tcp open  vnc-2
5903/tcp open  vnc-3
8888/tcp open  sun-answerbook

Nmap done: 1 IP address (1 host up) scanned in 0.297 seconds
suselinux:~/Desktop #

QUOTE:原帖由 剑次狼 于 2008-9-11 21:16 发表
你直接telnet 127.0.0.1 23看看


suselinux:~/Desktop # telnet 127.0.0.1 23
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
Welcome to openSUSE 11.0 (i586) - Kernel 2.6.25.5-1.1-pae (2).

suselinux login: soft
Password:
Have a lot of fun...
soft@suselinux:~> pwd
/home/soft
soft@suselinux:~>

QUOTE:原帖由 cuci 于 2008-9-11 20:53 发表
如果是超时，有可能和配置有关，配置配的不当有时候会造成端口启动，但是telnet上不去


suselinux:~/Desktop # telnet 127.0.0.1 25
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
Connection closed by foreign host.
suselinux:~/Desktop #

请问一般具体哪里配置不当可以造成这个原因呢