From 8c746b3a2bfb67addbfa4d3d4b7c0dbc2e8ba985 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Tue, 23 Jun 2015 14:17:10 +0200 Subject: ripe-atlas-fw: imported version 4680 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Bjørn Mork --- eperd/ping.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'eperd/ping.c') diff --git a/eperd/ping.c b/eperd/ping.c index 8d0866d..8f7f4e0 100644 --- a/eperd/ping.c +++ b/eperd/ping.c @@ -475,7 +475,9 @@ static void fmticmp4(u_char *buffer, size_t *sizep, u_int8_t seq, /* The ICMP header (no checksum here until user data has been filled in) */ icmp->icmp_type = ICMP_ECHO; /* type of message */ icmp->icmp_code = 0; /* type sub code */ - icmp->icmp_id = 0xffff & pid; /* unique process identifier */ + + /* Keep the high nibble clear for traceroute */ + icmp->icmp_id = 0x0fff & pid; /* unique process identifier */ icmp->icmp_seq = htons(seq); /* message identifier */ /* User data */ -- cgit v1.2.3