2 files changed, 6 insertions, 1 deletions

diff --git a/RELNOTES b/RELNOTES
index bf56218f6..2922b7765 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -5,6 +5,7 @@ firejail (0.9.73) baseline; urgency=low
   * feature: a random hostname is assigned to each sandbox unless
     overwritten using --hostname command
   * feature: add IPv6 support for --net.print option
+  * feature: QUIC (HTTP/3) support in --nettrace
   * modif: Stop forwarding own double-dash to the shell (#5599 #5600)
   * modif: Prevent sandbox name (--name=) and host name (--hostname=)
     from containing only digits (#5578 #5741)
diff --git a/src/fnettrace/main.c b/src/fnettrace/main.c
index 178ac3631..3eb7a13f5 100644
--- a/src/fnettrace/main.c
+++ b/src/fnettrace/main.c
@@ -351,8 +351,10 @@ static void hnode_print(unsigned bw) {
                                 bwline = print_bw(ptr->bytes / bwunit);
 
                         const char *protocol = NULL;
-                        if (ptr->port_src == 443)
+                        if (ptr->port_src == 443 && ptr->protocol == 0x06) // TCP
                                 protocol = "(TLS)";
+                        else if (ptr->port_src == 443 && ptr->protocol == 0x11) // UDP
+                                protocol = "(QUIC)";
                         else if (ptr->port_src == 53)
                                 protocol = "(DNS)";
                         else if (ptr->port_src == 853) {
@@ -367,6 +369,8 @@ static void hnode_print(unsigned bw) {
                                 ;
                         else if (ptr->protocol == 0x11)
                                 protocol = "(UDP)";
+                        else if (ptr->protocol == 0x06)
+                                protocol = "(TCP)";
 
                         if (protocol == NULL)
                                 protocol = "";