diff options
Diffstat (limited to 'src/core/ngx_syslog.c')
| -rw-r--r-- | src/core/ngx_syslog.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/core/ngx_syslog.c b/src/core/ngx_syslog.c index 616fd712e..d4e79f67d 100644 --- a/src/core/ngx_syslog.c +++ b/src/core/ngx_syslog.c @@ -182,10 +182,11 @@ ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer) for (i = 4; i < len; i++) { c = ngx_tolower(p[i]); - if (c < '0' || (c > '9' && c < 'a') || c > 'z') { + if (c < '0' || (c > '9' && c < 'a' && c != '_') || c > 'z') { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "syslog \"tag\" only allows " - "alphanumeric characters"); + "alphanumeric characters " + "and underscore"); return NGX_CONF_ERROR; } } |