diff options
author | Luca <deri@ntop.org> | 2023-12-21 12:24:30 +0100 |
---|---|---|
committer | Luca <deri@ntop.org> | 2023-12-21 12:24:30 +0100 |
commit | 41aa2f96b65754660699071f95028c8caa0bcd6b (patch) | |
tree | 295392ec9493bacbefa09238aa6fdb1fcc87f279 /src | |
parent | 28b1ce41cb754d0fb7437b89372bde66a9231fd5 (diff) |
Various MDNS flow risks fixes
Diffstat (limited to 'src')
-rw-r--r-- | src/lib/ndpi_main.c | 3 | ||||
-rw-r--r-- | src/lib/protocols/dns.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index f590f2879..163983040 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -805,6 +805,8 @@ int ndpi_init_empty_app_protocol(ndpi_protocol_match const * const hostname_list return 0; } +/* ******************************************************************** */ + int ndpi_init_app_protocol(struct ndpi_detection_module_struct *ndpi_str, ndpi_protocol_match const * const match) { ndpi_port_range ports_a[MAX_DEFAULT_PORTS], ports_b[MAX_DEFAULT_PORTS]; @@ -6987,6 +6989,7 @@ static void ndpi_reconcile_protocols(struct ndpi_detection_module_struct *ndpi_s break; case NDPI_PROTOCOL_SYSLOG: + case NDPI_PROTOCOL_MDNS: if(flow->l4_proto == IPPROTO_UDP) ndpi_unset_risk(ndpi_str, flow, NDPI_UNIDIRECTIONAL_TRAFFIC); break; diff --git a/src/lib/protocols/dns.c b/src/lib/protocols/dns.c index 2c7adac87..547da36c5 100644 --- a/src/lib/protocols/dns.c +++ b/src/lib/protocols/dns.c @@ -773,7 +773,7 @@ static void ndpi_search_dns(struct ndpi_detection_module_struct *ndpi_struct, st if(dot) { uintptr_t first_element_len = dot - _hostname; - if(first_element_len > 32) { + if((first_element_len > 32) && (!is_mdns)) { /* The lenght of the first element in the query is very long and this might be an issue or indicate an exfiltration |