1 files changed, 2 insertions, 1 deletions

diff --git a/networking/tftp.c b/networking/tftp.c
index 17485a527..043b879af 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -813,7 +813,8 @@ int tftpd_main(int argc UNUSED_PARAM, char **argv)
                 goto err;
         }
         mode = local_file + strlen(local_file) + 1;
-        if (mode >= block_buf + result || strcmp(mode, "octet") != 0) {
+        /* RFC 1350 says mode string is case independent */
+        if (mode >= block_buf + result || strcasecmp(mode, "octet") != 0) {
                 goto err;
         }
 # if ENABLE_FEATURE_TFTP_BLOCKSIZE