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| author | yangwei <[email protected]> | 2024-05-01 17:44:24 +0800 |
|---|---|---|
| committer | yangwei <[email protected]> | 2024-05-01 17:44:24 +0800 |
| commit | 0b3f4fd58e72a93a9545507b0f44304799be539d (patch) | |
| tree | 2b93a48217b68b040ff9c0493eeceb6b6d602dc4 | |
| parent | 32b40e3ba32a22b425ad1e5d4e2a69654f9f5244 (diff) | |
🐞 fix(identify_gtp): try fix TSG-20998, 识别GTP排除DNS和QUIC服务端口v4.3.51
| -rw-r--r-- | src/dealpkt/deal_gprs_tunnel.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/dealpkt/deal_gprs_tunnel.c b/src/dealpkt/deal_gprs_tunnel.c index 17b67f5..ab03d78 100644 --- a/src/dealpkt/deal_gprs_tunnel.c +++ b/src/dealpkt/deal_gprs_tunnel.c @@ -222,6 +222,9 @@ int identify_gtp(const struct streaminfo *pstream,const char *payload, unsigned source = ntohs(pstream->addr.ipv4->source); } + // exclude well knonwn ports, DNS 53, QUIC 443, + if(source == 53 || dest == 53 || source == 443 || dest == 443)return 0; + if ((source == gtp_u) || (dest == gtp_u) || ((source == gtp_v0) || (dest == gtp_v0))) { struct gtp_hdr *gtp = (struct gtp_hdr *) payload; unsigned short gtp_version = (gtp->flags & 0xE0) >> 5; |