$ firefox -g https://tcs.mysap.com/invoke/tc/getCert?SAPServerCA.der MOZILLA_FIVE_HOME=/usr/lib64/firefox-3.5.3 LD_LIBRARY_PATH=/usr/lib64/firefox-3.5.3:/usr/lib64/firefox-3.5.3/plugins:/usr/lib64/firefox-3.5.3 DISPLAY=:0.0 FONTCONFIG_PATH=/etc/fonts:/usr/lib64/firefox-3.5.3/res/Xft DYLD_LIBRARY_PATH=/usr/lib64/firefox-3.5.3:/usr/lib64/firefox-3.5.3 LIBRARY_PATH=/usr/lib64/firefox-3.5.3:/usr/lib64/firefox-3.5.3/components:/usr/lib64/firefox-3.5.3 SHLIB_PATH=/usr/lib64/firefox-3.5.3:/usr/lib64/firefox-3.5.3 LIBPATH=/usr/lib64/firefox-3.5.3:/usr/lib64/firefox-3.5.3 ADDON_PATH=/usr/lib64/firefox-3.5.3 MOZ_PROGRAM=/usr/lib64/firefox-3.5.3/firefox MOZ_TOOLKIT= moz_debug=1 moz_debugger= which: no ddd in (/home/xdudka00/bin:/home/xdudka00/bin:/usr/lib64/qt-3.3/bin:/usr/kerberos/bin:/usr/lib64/ccache:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/xdudka00/bin) /usr/bin/gdb /usr/lib64/firefox-3.5.3/firefox -x /tmp/mozargs.WerGml GNU gdb (GDB) Fedora (6.8.50.20090302-38.fc11) Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: ... (gdb) b ssl2_BeginClientHandshake Function "ssl2_BeginClientHandshake" not defined. Breakpoint 1 (ssl2_BeginClientHandshake) pending. (gdb) r [Thread debugging using libthread_db enabled] [New Thread 0x7f312aaf0910 (LWP 31510)] [New Thread 0x7f3129cff910 (LWP 31511)] [New Thread 0x7f31289ff910 (LWP 31512)] [New Thread 0x7f3127abd910 (LWP 31513)] [New Thread 0x7f3126aff910 (LWP 31514)] [New Thread 0x7f3125efe910 (LWP 31515)] [New Thread 0x7f31251ff910 (LWP 31516)] [Thread 0x7f3126aff910 (LWP 31514) exited] [Thread 0x7f3125efe910 (LWP 31515) exited] [New Thread 0x7f31247fe910 (LWP 31517)] [Thread 0x7f31251ff910 (LWP 31516) exited] [Thread 0x7f3127abd910 (LWP 31513) exited] [New Thread 0x7f3125efe910 (LWP 31518)] [New Thread 0x7f3126aff910 (LWP 31519)] [New Thread 0x7f31251ff910 (LWP 31520)] [New Thread 0x7f311a9c9910 (LWP 31521)] [New Thread 0x7f3119dff910 (LWP 31522)] [Thread 0x7f3119dff910 (LWP 31522) exited] [Switching to Thread 0x7f3125efe910 (LWP 31518)] Breakpoint 1, ssl2_BeginClientHandshake (ss=0x7f3119e4c000) at sslcon.c:3000 3000 { Current language: auto; currently c (gdb) print ss->url $1 = 0x7f3119e217d0 "tcs.mysap.com" (gdb) print ss->opt $2 = { useSecurity = 1, useSocks = 0, requestCertificate = 0, requireCertificate = 2, handshakeAsClient = 1, handshakeAsServer = 0, enableSSL2 = 0, enableSSL3 = 1, enableTLS = 1, noCache = 0, fdx = 0, v2CompatibleHello = 0, detectRollBack = 1, noStepDown = 0, bypassPKCS11 = 0, noLocks = 0, enableSessionTickets = 1 } (gdb) c Breakpoint 1, ssl2_BeginClientHandshake (ss=0x7f3119e4c000) at sslcon.c:3000 3000 { (gdb) print ss->url $3 = 0x7f3119e217c0 "tcs.mysap.com" (gdb) print ss->opt $4 = { useSecurity = 1, useSocks = 0, requestCertificate = 0, requireCertificate = 2, handshakeAsClient = 1, handshakeAsServer = 0, enableSSL2 = 0, enableSSL3 = 1, enableTLS = 0, noCache = 0, fdx = 0, v2CompatibleHello = 1, detectRollBack = 1, noStepDown = 0, bypassPKCS11 = 0, noLocks = 0, enableSessionTickets = 1 } (gdb) c