Probing 10.12.113.40:2543/tcp - Port is open -time=4.706ms Probing 10.12.113.40:2543/tcp - Port is open -time=0.946ms Probing 10.12.113.40:2543/tcp - Port is open -time=0.806ms Probing 10.12.113.40:2543/tcp - Port is open -time=1.706ms Ping statistics for 10.12.113.40:2543 4 probes ...
使用nc命令来测试tcp端口的连通性：语法：在CODE上查看代码片派生到我的代码片 nc -z -v <hostname/IP address> <port number> 如下是连通成功的例子：在CODE上查看代码片派生到我的代码片 nc -z -v 192.118.20.95 22 Connection to 192.118.20.95 22 port [tcp/ssh] succeeded!如下是连...
一切似乎都很好,直到我尝试运行rails db:setup,这时我抛出了错误: could not connect to server: Connection timed out Is the server running on host "localhost" (92.242.132.16) and accepting TCP/IP connections on port 5432? Couldn't create database for 浏览4提问于2018-02-14得票数 0 1回答 如果...
使用nc命令来测试tcp端口的连通性: 语法: nc -z -v 如下是连通成功的例子: # nc -z -v 192.118.20.95 22Connection to 192.118.20.95 22 port [tcp/ssh] succeeded! 如下是连通不成功的例子: # nc -z -v 192.118.20.95 22nc: connect to 192.118.20.95 port 22 (tcp) failed: No route to host ...
这篇文章主要介绍了linux下2个检查tcp连接的命令,需要的朋友可以?考下 1 检测web服务器的链接数量及状态: 1 netstat-ant|awk'{print $5 " " $6}'|grep"::ffff:"|sed-e's/::ffff://'-e's/:[0-9]*//'|sort|uniq-c|sort-rn|head-10 ...
一、tenlnet测试tcp [root@test ~]# telnet 192.168.209.121 123 Trying 192.168.209.121… telnet: connect to address 192.168.209.121: Connection refused telnet: Unable to connect to remote host: Connection refused 1. 2. 3. 4. 如上所示,是连接拒绝的情况。证明未监听或被墙 。正常连接的情况类以如...
Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC 1. 2. 3. 然后在客户端测试服务器,执行一次持续10秒的 TCP 测试: 复制 # netperf -H 172.16.38.36 -l 10 TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 172.16.38.36 (172.16.38.36) port 0 AF_INET ...
iOnline++;printf("Receive a new connection from %s:%d\n",inet_ntoa(cli_addr.sin_addr), cli_addr.sin_port); event.events = EPOLLIN; event.data.fd = client;epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &event); } } }printf("Online number:%d\n", iOnline); ...
Ncat: Connection refused. 端口监听 # 临时监听TCP端口# nc -l port >> filename.out 将监听内容输入到filename.out文件中$ nc -l 7789 >> a.out# 永久监听TCP端口# nc -lk port$ nc -lk 7789 >> a.out# 临时监听UDP# nc -lu port$ nc -lu 7789 >> a.out# 永久监听UDP# nc -luk port$...
printf("Receive a new connection from %s:%d\n", inet_ntoa(cli_addr.sin_addr), cli_addr.sin_port); event.events = EPOLLIN; event.data.fd = client; epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &event); } } } printf("Online number:%d\n", iOnline); ...