我们有带有RedHat 6.5操作系统的linux机器。
当我们试图在端口8182上打电话到本地主机时,连接被拒绝:
service iptables status
Firewall is not running
telnet localhost 8182
Connection refused
cat /etc/selinux/config
SELINUX=DISABLED
SELINUXTYPE=targeted
关于如何找到连接被拒绝的原因的任何建议,即使防火墙关闭并且selinux被禁用也是如此。
这个脚本的输出是包装的,这是我不想要的。
use strict;
use Net::Telnet;
system("mode 500,6000");
print "passwd: ";
my $passwd=<>;
chomp($passwd);
my $telnet = Net::Telnet->new(Host=>'linux63.blahblah.edu',Prompt=>'/l+inux63> $/');
$telnet->waitfor('/login/');
$
我尝试在linux中通过telnet发送邮件
telnet smtp.gmail.com 587
但是它返回错误
telnet: connect to address to remote host: Connection timed out
telnet: Unable to connect to remote host: Connection timed out
任何人请帮帮忙
当我试图在telnet Linux7.2.1511发行版上运行CentOS服务时,它会引发以下错误:
service telnet restart
Redirecting to /bin/systemctl restart
telnet.service Failed to restart telnet.service: Unit telnet.service failed to load: No such file or directory.
在我的计算机上运行的telnet服务器版本:
rpm -qa | grep telnet
telnet-0.17-59.el7.x86_64
t