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tcpdump 'tcp' modifier applied to host

The remote server is a not known tcp/IP host 客户端 弹出以上 网络测试,通 请帮忙

by lsx222 - 服务器应用 - 2007-05-09 15:31:54 阅读(6428) 回复(7)

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-s modifier Show the filter parameters specified by modifier (may be abbrevi- ated): -s nat Show the currently loaded NAT rules. -s queue Show the currently loaded queue rules. When used together with -v, per-queue statistics are also shown. When used together with -v -v...

by 5sky - BSD文档中心 - 2008-05-19 17:58:04 阅读(1264) 回复(0)

[code] public interface Service { public void serve(InputStream in, OutputStream out) throws IOException; } public static class Timer implements Service { public void serve(InputStream i, OutputStream o) throws IOException { PrintWriter out = new PrintWriter(o); out.print(new Date() + "\n"); out.close(); i.close(); } } [/code] Error:Illegal modifier for the class Timer; only public, abstract & fi...

by Logos - Java - 2004-09-01 12:45:24 阅读(1331) 回复(2)

192.168.1.23连接192.168.1.191的ssh端口,已经输入用户名密码登录成功。在192.168.1.191上抓到如下信息。tcp三次握手只看到了前两行的两次,第三次握手哪去了? [code] 17:29:53.123192 IP 192.168.1.23.1773 > 192.168.1.191.22: S 175077054:175077054(0) win 65535 (DF) 17:29:53.123413 IP 192.168.1.191.22 > 192.168.1.23.1773: S 4240709886:4240709886(0) ack 175077055 win 5840

by huopin - 网络技术 - 2009-06-18 22:46:23 阅读(5061) 回复(12)

网络数据采集分析工具tcpdump的简介 顾名思义,tcpdump可以将网络中传送的数据包的“头”完全截获下来提供分析。它支持针对网络层、协议、主机、网络或端口的过滤,并提供and、or、not等逻辑语句来帮助你去掉无用的信息。 tcpdump 就是一种免费的网络分析工具,尤其其提供了源代码,公开了接口,因此具备很强的可扩展性,对于网络维护和入侵者都是非常有用的工具。 tcpdump 存在于基本的FreeBSD系统中,由于它需要将网络界面设...

by wangfdxl - 网络技术文档中心 - 2007-12-22 12:27:45 阅读(743) 回复(0)

请问在4.3.3,应该从安装光盘中安装哪个文件包才能得到tcpdump命令?

by pyp79 - AIX - 2003-08-20 17:34:46 阅读(1101) 回复(1)

smit installp_latest安装软件后, commit software updates 我选了NO save replaced file 我选了no 但是安装结束,lslpp -l 查询该软件,状态是committed. 请问是什么原因. 谢谢

by soccer - AIX - 2007-08-16 21:37:06 阅读(2624) 回复(3)

平台:redhat AS4 + lotus 7.0 启动lotus服务后,看到有一行显示“ the remote server is not a known tcp/IP host" 客户端也登录不上,连接不到服务器,在网上查过,也未能解决。 但可以通过IE来访问 求助!

by jinsheng44944 - 服务器应用 - 2007-11-21 00:43:39 阅读(8900) 回复(3)

我在ports安装的时候总是出现Unknow modifier '/',貌似不是错误,make可以继续进行,没影响,就是看着不爽。 图如下: 最后,小弟希望看看大家的/etc/make.conf怎么写的,希望大家踊跃贴贴,我好借鉴借鉴,谢谢了。

by dooros - BSD - 2009-02-07 00:16:25 阅读(1540) 回复(0)
by nzq90 - 网络技术 - 2003-06-04 02:06:45 阅读(1192) 回复(1)

CISCO These are generally applicable to most (all?) CISCO firewalls: First you need to create an access list describing the traffic (X.X.X.X is the IP address of your mail server. Add more lines if you have more than one) access-list acl_out permit tcp host X.X.X.X any eq 25 access-list acl_out deny tcp any any eq 25 ... any other outbound rules you may want go here ... access-list acl_out per...

by yanzhengkai303 - 网络技术 - 2008-08-25 10:37:13 阅读(6051) 回复(6)