diff -Nru isdn4k-utils-CVS-2005-06-26.orig/ipppd/options.c isdn4k-utils-CVS-2005-06-26/ipppd/options.c
--- isdn4k-utils-CVS-2005-06-26.orig/ipppd/options.c	2004-12-14 00:06:52.000000000 +0200
+++ isdn4k-utils-CVS-2005-06-26/ipppd/options.c	2005-08-14 11:10:25.239597728 +0300
@@ -2633,6 +2633,10 @@
 
 #ifdef IPPP_FILTER
 
+#if !defined(DLT_PPP_WITHDIRECTION) && defined(DLT_PPP_WITH_DIRECTION)
+#define DLT_PPP_WITHDIRECTION DLT_PPP_WITH_DIRECTION
+#endif
+
 #ifndef DLT_PPP_WITHDIRECTION
 #define DLT_PPP_WITHDIRECTION	DLT_PPP
 #warning "please update your pcap version to support in/outbound DLT_PPP_WITHDIRECTION filter"
@@ -2646,9 +2650,18 @@
     int argc;
     char **argv;
 {
-    if (pcap_compile_nopcap(PPP_HDRLEN, DLT_PPP_WITHDIRECTION, &pass_filter, *argv, 1, netmask) == 0)
+    pcap_t* pc = pcap_open_dead (DLT_PPP_WITHDIRECTION, PPP_HDRLEN);
+    if (!pc) {
+        option_error("error in pass-filter expression: pcap_open_dead failed\n");
+        return 0;
+    }
+
+    if (pcap_compile(pc, &pass_filter, *argv, 1, netmask) == 0) {
+        pcap_close (pc);
         return 1;
+    }
     option_error("error in pass-filter expression.\n");
+    pcap_close (pc);
     return 0;
 }
 
@@ -2660,9 +2673,19 @@
     int argc;
     char **argv;
 {
-    if (pcap_compile_nopcap(PPP_HDRLEN, DLT_PPP_WITHDIRECTION, &active_filter, *argv, 1, netmask) == 0)
+    pcap_t* pc = pcap_open_dead (DLT_PPP_WITHDIRECTION, PPP_HDRLEN);
+    if (!pc) {
+        option_error("error in active-filter expression: pcap_open_dead failed\n");
+        return 0;
+    }
+
+    if (pcap_compile(pc, &active_filter, *argv, 1, netmask) == 0) {
+        pcap_close (pc);
         return 1;
+    }
+
     option_error("error in active-filter expression.\n");
+    pcap_close (pc);
     return 0;
 }
 #endif /* IPPP_FILTER */