--- interfaces.tcl.orig 2012-08-16 19:11:22.000000000 +0200
+++ interfaces.tcl      2012-08-16 19:27:00.000000000 +0200
@@ -868,7 +868,9 @@

                set pppoe_if [libdb get $myDb "pppoe:${pppoeid}:interface"]
                set pppoe_user [libdb get $myDb "pppoe:${pppoeid}:username"]
+               regsub -all -- \\\" $pppoe_user \\\\\" pppoe_user
                set pppoe_pass [libdb get $myDb "pppoe:${pppoeid}:password"]
+               regsub -all -- \\\" $pppoe_pass \\\\\" pppoe_pass
                set pppoe_usepeerdns [libdb get $myDb "pppoe:${pppoeid}:usepeerdns"]
                set pppoe_usepeerdgw [libdb get $myDb "pppoe:${pppoeid}:defaultroute"]
                set pppoe_conn_status [libdb get $myDb ":pppoe_live:conn_stat:${pppoeid}"]