我使用过我的应用程序中使用的pcap库。它以前工作。
我没有对我的代码进行任何更改，但无法仅在特定接口“eth0”上捕获数据包。但是对于像eth1和wlan0这样的其他接口，它可以按预期工作。
Ifconfig命令的输出是：
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.1.14.128 netmask 255.255.255.0 broadcast 10.1.14.255
inet6 fe80::5642:49ff:fee1:3a03 prefixlen 64 scopeid 0x20<link>
ether 54:42:49:e1:3a:03 txqueuelen 1000 (Ethernet)
RX packets 476 bytes 53618 (52.3 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 365 bytes 61306 (59.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 18
eth1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet6 fe80::280:c8ff:fe3c:fe04 prefixlen 64 scopeid 0x20<link>
ether 00:80:c8:3c:fe:04 txqueuelen 1000 (Ethernet)
RX packets 34500 bytes 48274193 (46.0 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 1732834 (1.6 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 16436
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 10775 bytes 1170782 (1.1 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 10775 bytes 1170782 (1.1 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 134.96.174.7 netmask 255.255.248.0 broadcast 134.96.175.255
inet6 fe80::226:c7ff:fe9d:1f00 prefixlen 64 scopeid 0x20<link>
ether 00:26:c7:9d:1f:00 txqueuelen 1000 (Ethernet)
RX packets 981018 bytes 1250676710 (1.1 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 248507 bytes 31718095 (30.2 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
这些标志ID（所有人都一样）是否与我的问题有关。？
最佳佳日