liudepengzhgd的专栏

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最权威和易懂的文档是RFC，但是阅读RFC文档需要有一些基础，因为RFC文档中的内容很全面也很具体，我们需要结合一些常识去理解和获取。我觉得维基百科是个不错的入门选择，里面会提供相关的具有适合广度的知识概述 ，我们需要根据这些线索找到我们最终需要解决的核心问题。但是最好的探索方式是必须要结合实践的，我们增加自己的常识就属于实践的一种，只不过这种实践属于初级的，我们需要根据RFC的描述，在现

1024-49151 flashget 760049152-65535

installapt-get install libpcap-devgcc 001.c -o 001 lpcapgcc options google

SSH file transfer protocolnot related to FTP except it also transfer files and havs a similar set of command for usersA program to use Secure Shell to transfer files    Encrypt bot

File transfer ProtocolTransfer files from one host to another host  over a TCP-based networkclear-text log-in protocol

20&21 File Transfer Protocol22 Secure Shell23 Telnet25 Simple Mail Transfer Protocol53 Domain Name Systeem service80 HyperText Transfer Protocol110 Post Office Protocol POP3119 Network N

8i

first open socketthan initiilize the sockaddr_in

gdb only sysbols generated by g++Loadgdb http-client executable filegcc http-client.c -o http-client -g [gdb]list function from the http-client.clist main symbollist 22

vsftpservice vsftp start/stop/restart/statustest wether the vsftpd is runningnetstat -a | grep ftpnetstat -awill list all TCP and UDP portsConfig/etc/vsftpd.confsudo su -

download binary and installhttp://bbs.flashget.com/en/archiver/?tid-1446.htmlproblem:http://bbs.flashget.com/en/archiver/?tid-3974.html

http://wenku.baidu.com/view/69c146e9e009581b6bd9eb8f.htmlbridge:    ip diff from host     others same