使用 Linux 和 Python,我想通过广播发送一些数据:
d = b'109u433279423423423'
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.sendto(d, 0, ('192.168.0.255', 9))
我在 root 下启动这个脚本并得到这个错误:
s.sendto(d, 0, ('192.168.0.255', 9)) socket.error: [Errno 13]
Permission denied
怎么了?
最佳答案
您正在尝试发送到一个广播地址。这是不允许的,请参阅 sendto(2) 的联机帮助页:
EACCES (For UDP sockets) An attempt was made to send to a network/broadcast address as though it was a unicast address.
设置 SO_BROADCAST 选项,如果你真的想发送到一个广播地址:
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
关于linux - Python 套接字错误 : [Errno 13] Permission denied,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11457676/