Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Çë½Ì¹ØÓÚLinuxµÄiptablesµÄnat

192.168.0.201ÊÇLinux
192.168.0.35ÊÇÁíÍâһ̨װÓÐWEBµÄ·þÎñÆ÷£¬
ÎÒÏë·ÃÎÊ192.168.0.201µÄʱºò
ÈÃËûnatµ½192.168.0.35µÄ80ÉÏ¡£
ÒÔÏÂÊÇÎÒÉèÖõģ¬µ«ÊDz»ÐС£Ó¦¸ÃÔõôÉèÖÃѽ£¿

root@ubuntu:/home/# iptables -t nat -F
root@ubuntu:/home/# iptables -t nat -X
root@ubuntu:/home/# iptables -t nat -A PREROUTING -i eth0 -d 192.168.0.201 -p tcp --dport 80 -j DNAT --to 192.168.0.35:80
root@ubuntu:/home/# iptables -t nat -A POSTROUTING -o eth0 -s 192.168.0.35 -p tcp --sport 80 -j SNAT --to 192.168.0.201:80

ÓÃtcpdump×¥°ü¿´¿´¾ßÌåµÄ·¢°ü.
ÁíÍâ, ÐèÒª¿ªÆôipv4_forward

ÒýÓÃ
ÓÃtcpdump×¥°ü¿´¿´¾ßÌåµÄ·¢°ü.
ÁíÍâ, ÐèÒª¿ªÆôipv4_forward

ÒѾ­ net.ipv4.ip_forward = 1 ¹ýÁË£¬¿É»¹ÊDz»ÐÐ

Ä㻹Ҫȷ±£´Óserver·µ»ØµÄÊý¾Ý°üÒ»¶¨»¹»á¾­¹ýlinuxµÄ»úÆ÷¡£

ÒýÓÃ
Ä㻹Ҫȷ±£´Óserver·µ»ØµÄÊý¾Ý°üÒ»¶¨»¹»á¾­¹ýlinuxµÄ»úÆ÷¡£
[
UP

ÒýÓÃ
Ä㻹Ҫȷ±£´Óserver·µ»ØµÄÊý¾Ý°üÒ»¶¨»¹»á¾­¹ýlinuxµÄ»úÆ÷¡£

ÎÒ·¢ÏÖ¿Í»§»úÎÞ·¨Á¬½Óµ½linuxµÄ»úÆ÷
ËùÒÔ¼ÓÁËÕâÁ½Ìõ
iptables -t filter -A INPUT -s 192.168.0.200/24 -j ACCEPT
iptables -t filter -A OUTPUT -d 192.168.0.200/24 -j ACCEPT
µ«ÊÇ»¹ÊÇÁ¬²»ÉÏLinux
192.168.0.35ÊÇweb·þÎñÆ÷
192.168.0.201ÊÇLinux»ú
192.168.0.200ÊÇ¿Í»§»ú
ÎÒÏëÓÃ200ͨ¹ý201µÄnatÁ¬½Ó35µÄ80ÉÏ


Ïà¹ØÎÊ´ð£º

linux c ±àÒëͨ²»¹ý£¬Çë¸ßÊÖ°ïÎÒ¿´ÏÂÄÄÀïµÄ´í£¿

int _send()
{
int fd,size;
char fname[1024],buffer[4096];

/*ÊäÈëÒª´«ÊäµÄÎļþ*/
printf("ÇëÊäÈëÄúÒª´«ÊäµÄÎļþ·¾¶:\n");
gets(fname);
/*´ò¿ªÎļþ*/
fd = open(fn ......

linuxÏÂÍøÂç±à³Ì ¶Ë¿ÚÉèÖõÄÎÊÌâ

#include "csapp.h"

#define MAX_ARG_NUM 10
#define MAXLINE    512

#define PEER_PORT  1719

struct Udp2SipMsg
{
  int argc;

  c ......

ÇëÎÊLinux/C++³ÌÐòÔ±ÉϺ£¹¤×Êˮƽ

ÊìϤLinux,C/C++£¬ÓÐÒ»ÄêµÄ¹¤×÷¾­Ñ飬ÇëÎÊÔÚÉϺ£ÄÜÄöàÉÙ£¿
ÎÒszµÄ
µÈshµÄ»Ø´ð

¹Ø×¢

Ò»ÄêµÄ¹¤×÷¾­ÑéµÄÈË,¸ù¾ÝÄãµÄѧУ,ºÍѧÀúÀ´¿´.

ÎÒÒ»¸öʵÑéÊÒµÄѧ³¤£¬ÉϺ££¬×öLINUXÇý¶¯¿ª·¢£¬2Äê 6000/Ô£¬Êµµ½ÊÖ56 ......

ÐéÄâ»ú°²×°ºìÆìLINUXÎÊÌâ

¸ç¸ç½ã½ãÃÇ£¬£¬£¬ÎÒÔÚVISTA ÏÂÓÃVMware °²×°ºìÆì6.5ʱ£¬°²×°µ½Ó²ÅÌ·ÖÇøµÄʱºò£¬×ÜÊdzöÏÖÒ»¸ö¶Ô»°¿ò¡£ÉÏÃæд×Å£º¡°³öÏÖ´íÎó---δÕÒµ½ÒªÔÚÆäÖд´½¨ÐÂÎļþϵͳµÄÓÐЧÉ豸¡£Çë¼ì²éÄãµÄÓ²¼þÒÔÕÒµ½ÎÊÌâµÄÆðÒò¡£¡±ÇëÎÊÔõô½ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ