我有一个python脚本从远程机器获取数据包并将它们(os.write(self.tun_fd.fileno(),'。。join(packet)))写入tun接口gr3:
Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:10.0.0.6 P-t-P:10.0.0.8 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:61 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
RX bytes:5124 (5.0 KiB) TX bytes:0 (0.0 b)
我想通过单独的pong脚本接收这些数据包,如下所示:
import threading, os, sys, fcntl, struct, socket
from fcntl import ioctl
from packet import Packet
HOST = '10.0.0.6'
PORT = 111
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen(1)
conn, addr = s.accept()
print 'Connected by', addr
while 1:
data = conn.recv(1024)
if not data: break
else: print data
conn.sendall(data)
conn.close()
我收到了这个错误:
s.bind((HOST, PORT))
File "<string>", line 1, in bind
socket.error: [Errno 13] Permission denied
作为非特权用户,您无法绑定到低于1024的端口号。
所以你应该:
更难,但更安全的解决方案,如果真的有必要从111接受: