Hi,
I am trying to add the following rule to the conntrack table:
nfct_set_attr_u8(ct, ATTR_L3PROTO, AF_INET);
nfct_set_attr_u32(ct, ATTR_IPV4_SRC, inet_addr("192.168.1.20"));
nfct_set_attr_u32(ct, ATTR_IPV4_DST, inet_addr("192.168.1.114"));
nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_UDP);
nfct_set_attr_u16(ct, ATTR_PORT_SRC, htons(10012);
nfct_set_attr_u16(ct, ATTR_PORT_DST, htons(18482);
nfct_setobjopt(ct, NFCT_SOPT_SETUP_REPLY);
nfct_set_attr_u32(ct, ATTR_TIMEOUT, 100);
nfct_set_attr_u16(ct, ATTR_SNAT_IPV4, inet_addr("192.168.1.114"));
nfct_set_attr_u16(ct, ATTR_SNAT_PORT, htons(18480);
nfct_set_attr_u16(ct, ATTR_DNAT_IPV4, inet_addr("192.168.1.56");
nfct_set_attr_u16(ct, ATTR_DNAT_PORT, htons(16385);
The tcpdump shows:
11:24:44.062306 IP 192.168.1.20.10012 > 192.168.1.114.18482: udp/rtp
160 c0 17381 2867392
11:24:44.062336 IP 192.168.0.0.18482 > 192.168.0.0.16385: udp/rtp 160
c0 17381 2867392
But I am actually expecting:
11:24:44.062306 IP 192.168.1.20.10012 > 192.168.1.114.18482: udp/rtp
160 c0 17381 2867392
11:24:44.062336 IP 1192.168.1.114.18482 > 192.168.1.56.16385: udp/rtp
160 c0 17381 2867392
Can someone tell me what is wrong with my code?
Thanks,
P
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