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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>does anybody recognize this error and has a solution for?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Setting map: mp_airfield.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>------ Server Initialization ------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Server: mp_airfield<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>resetting state..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>bdLog[28114]: ../DemonWare/bdNet/bdUPnP/bdUPnP.cpp(334):<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>WARNING: Cannot shutdown class as it is already uninitialised!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Alias: localhost<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Alias: ip6-loopback<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Alias: ip6-localhost<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>PC IP: XXX.XXX.XXX.XXX<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>*** glibc detected *** ./codwaw_lnxded-bin: malloc(): memory corruption: 0x190cc0e0 ***<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>======= Backtrace: =========<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libc.so.6(+0x6bf31)[0xf74cef31]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libc.so.6(+0x6ed55)[0xf74d1d55]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libc.so.6(__libc_malloc+0x5c)[0xf74d395c]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libresolv.so.2(+0x9058)[0xe670c058]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libresolv.so.2(__libc_res_nquery+0x153)[0xe6709a53]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libresolv.so.2(+0x704b)[0xe670a04b]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libresolv.so.2(__libc_res_nsearch+0x335)[0xe670a475]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libnss_dns.so.2(_nss_dns_gethostbyname3_r+0x126)[0xe6719bc6]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libnss_dns.so.2(_nss_dns_gethostbyname_r+0x6b)[0xe6719e6b]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libc.so.6(gethostbyname_r+0x1ae)[0xf754820e]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libc.so.6(gethostbyname+0xe6)[0xf7547a66]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>./codwaw_lnxded-bin[0x83e6ec1]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>./codwaw_lnxded-bin[0x83980ad]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>./codwaw_lnxded-bin[0x8356853]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libpthread.so.0(+0x5955)[0xf76e9955]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>/lib32/libc.so.6(clone+0x5e)[0xf7530f1e]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>======= Memory map: ========<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>08048000-084ec000 r-xp 00000000 08:01 24766176 /home/gameserver/master/cod5/codwaw_lnxded-bin<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>084ec000-084f9000 rw-p 004a4000 08:01 24766176 /home/gameserver/master/cod5/codwaw_lnxded-bin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>084f9000-183ab000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>18fa4000-190ec000 rw-p 00000000 00:00 0 [heap]<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6600000-e6621000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6621000-e6700000 ---p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6703000-e6713000 r-xp 00000000 08:01 23830531 /lib32/libresolv-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6713000-e6714000 r--p 00010000 08:01 23830531 /lib32/libresolv-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6714000-e6715000 rw-p 00011000 08:01 23830531 /lib32/libresolv-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6715000-e6717000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6717000-e671b000 r-xp 00000000 08:01 23830552 /lib32/libnss_dns-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e671b000-e671c000 r--p 00004000 08:01 23830552 /lib32/libnss_dns-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e671c000-e671d000 rw-p 00005000 08:01 23830552 /lib32/libnss_dns-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6724000-e6725000 ---p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e6725000-e771a000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e771a000-e7724000 r-xp 00000000 08:01 23830535 /lib32/libnss_files-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e7724000-e7725000 r--p 00009000 08:01 23830535 /lib32/libnss_files-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e7725000-e7726000 rw-p 0000a000 08:01 23830535 /lib32/libnss_files-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e7726000-e7739000 r-xp 00000000 08:01 23830548 /lib32/libnsl-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e7739000-e773a000 r--p 00012000 08:01 23830548 /lib32/libnsl-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e773a000-e773b000 rw-p 00013000 08:01 23830548 /lib32/libnsl-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>e773b000-ea23d000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea246000-ea24e000 r-xp 00000000 08:01 23830532 /lib32/libnss_nis-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea24e000-ea24f000 r--p 00008000 08:01 23830532 /lib32/libnss_nis-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea24f000-ea250000 rw-p 00009000 08:01 23830532 /lib32/libnss_nis-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea250000-ea256000 r-xp 00000000 08:01 23830545 /lib32/libnss_compat-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea256000-ea257000 r--p 00006000 08:01 23830545 /lib32/libnss_compat-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea257000-ea258000 rw-p 00007000 08:01 23830545 /lib32/libnss_compat-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ea25f000-f7463000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f7463000-f75a3000 r-xp 00000000 08:01 23830538 /lib32/libc-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75a3000-f75a4000 ---p 00140000 08:01 23830538 /lib32/libc-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75a4000-f75a6000 r--p 00140000 08:01 23830538 /lib32/libc-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75a6000-f75a7000 rw-p 00142000 08:01 23830538 /lib32/libc-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75a7000-f75aa000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75aa000-f75c7000 r-xp 00000000 08:01 24701061 /usr/lib32/libgcc_s.so.1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75c7000-f75c8000 rw-p 0001c000 08:01 24701061 /usr/lib32/libgcc_s.so.1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75c8000-f75ec000 r-xp 00000000 08:01 23830547 /lib32/libm-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75ec000-f75ed000 r--p 00023000 08:01 23830547 /lib32/libm-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75ed000-f75ee000 rw-p 00024000 08:01 23830547 /lib32/libm-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f75ee000-f76d7000 r-xp 00000000 08:01 24701068 /usr/lib32/libstdc++.so.6.0.13<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76d7000-f76db000 r--p 000e9000 08:01 24701068 /usr/lib32/libstdc++.so.6.0.13<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76db000-f76dc000 rw-p 000ed000 08:01 24701068 /usr/lib32/libstdc++.so.6.0.13<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76dc000-f76e4000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76e4000-f76f9000 r-xp 00000000 08:01 23830539 /lib32/libpthread-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76f9000-f76fa000 r--p 00014000 08:01 23830539 /lib32/libpthread-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76fa000-f76fb000 rw-p 00015000 08:01 23830539 /lib32/libpthread-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76fb000-f76fd000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76fd000-f76ff000 r-xp 00000000 08:01 23830537 /lib32/libdl-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f76ff000-f7700000 r--p 00001000 08:01 23830537 /lib32/libdl-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f7700000-f7701000 rw-p 00002000 08:01 23830537 /lib32/libdl-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f7707000-f770a000 rw-p 00000000 00:00 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f770a000-f770b000 r-xp 00000000 00:00 0 [vdso]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f770b000-f7727000 r-xp 00000000 08:01 23830550 /lib32/ld-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f7727000-f7728000 r--p 0001b000 08:01 23830550 /lib32/ld-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>f7728000-f7729000 rw-p 0001c000 08:01 23830550 /lib32/ld-2.11.2.so<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>ffec3000-ffee3000 rw-p 00000000 00:00 0 [stack]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'>Aborted<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#999999'>Roberto Omezzolli</span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#999999'><o:p></o:p></span></p><p class=MsoNormal><i><span lang=EN-US style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>Geschäftsführer</span></i><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#999999'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#999999'>__________________________________</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#999999'>______</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#999999'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";color:#999999'><br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#999999'>OCIRIS GmbH<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>Willy-Buchauer-Ring 25</span><span style='color:windowtext'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>82256 Fürstenfeldbruck</span><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";color:#999999'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>Tel.: +49 (0) 89 461 3518-00</span><span style='font-family:"Calibri","sans-serif";color:windowtext'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>Fax: +49 (0) 89 461 3508 04<br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#999999'>________________________________________</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>Geschäftsführer: Sebastian Reckzeh, Roberto Omezzolli <br>Handelsregister: Amtsgericht München, HRB </span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'>146467</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#999999'><br>Sitz der Gesellschaft: München<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:7.0pt;font-family:"Verdana","sans-serif";color:#A0A0A0'>"Diese E-Mail sowie jeglicher Anhang sind vertraulich und ausschließlich für den/die bezeichneten Adressaten bestimmt. Diese Mitteilung kann rechtlich geschützte, firmeninterne oder anderweitig vertrauliche Informationen enthalten, deren Weitergabe ohne unsere Zustimmung strengstens untersagt ist. Sofern Sie nicht der beabsichtigte Adressat sind oder diese E-Mail irrtümlich erhalten haben, sind Sie nicht autorisiert, diese Mitteilung bekannt zu machen, zu kopieren, weiterzugeben oder aufzubewahren. Bitte informieren Sie uns in diesem Fall unverzüglich und vernichten diese E-Mail."<br><br></span><span lang=EN-GB style='font-size:7.0pt;font-family:"Verdana","sans-serif";color:#A0A0A0'>"The information in this e-mail and in any attachments is confidential and intended solely for the attention and use of the named addresse(s). This information may be subject to legal, professional or other privilege and further distribution of it is strictly prohibited without our authority. If you are not the intended recipient, you are not authorised to and must not disclose, copy, distribute, or retain this message or any part of it, and should notify us immediately." <o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>Von:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> John [mailto:lists.cod@nuclearfallout.net] <br><b>Gesendet:</b> Samstag, 21. Januar 2012 01:52<br><b>An:</b> cod@icculus.org<br><b>Betreff:</b> Re: [cod] CoD2 UDP flood<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On 1/20/2012 3:27 PM, Marco Padovan wrote: <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>I was referring to dynamic filtering using -m recent<br><br>[not] to manually adding IPs O.o</span><o:p></o:p></p><p class=MsoNormal><br>Marco's right about this. The most effective way to prevent effects from these attacks on Linux is to use a combination of the "string", "hashlimit", and "recent" modules. Done right, the solution is mostly automatic, so you shouldn't need to manually add IPs.<br><br>These commands, for instance, would block external IPs that send queries at a rate of 2/second or higher:<br><br># add a host to the banlist and then drop the packet.<br>iptables -N QUERY-BLOCK<br>iptables -A QUERY-BLOCK -m recent --set --name blocked-hosts -j DROP<br><br># is this a query packet? if so, block commonly attacked ports outright, <br># then see if it's a known attacking IP, then see if it is sending at a high<br># rate and should be added to the list of known attacking IPs.<br>iptables -N QUERY-CHECK<br>iptables -A QUERY-CHECK -p udp -m string ! --string "getstatus" --algo bm --from 32 --to 41 -j RETURN<br>iptables -A QUERY-CHECK -p udp --sport 0:1025 -j DROP<br>iptables -A QUERY-CHECK -p udp --sport 3074 -j DROP<br>iptables -A QUERY-CHECK -p udp --sport 7777 -j DROP<br>iptables -A QUERY-CHECK -p udp --sport 27015:27100 -j DROP<br>iptables -A QUERY-CHECK -p udp --sport 25200 -j DROP<br>iptables -A QUERY-CHECK -p udp --sport 25565 -j DROP<br># is it already blocked? continue blocking it and update the counter so it<br># gets blocked for at least another 30 seconds.<br>iptables -A QUERY-CHECK -m recent --update --name blocked-hosts --seconds 30 --hitcount 1 -j DROP<br># check to see if it exceeds our rate threshold,<br># and add it to the list if it does.<br>iptables -A QUERY-CHECK -m hashlimit --hashlimit-mode srcip --hashlimit-name getstatus --hashlimit-above 2/second -j QUERY-BLOCK<br><br># look at all the packets going to q3/cod*/et/etc servers<br>iptables -A INPUT -p udp --dport 27960:29000 -j QUERY-CHECK<br><br>The "recent" module makes it possible to block up to 100 IPs at once with this method (any attackers beyond this would only be rate-limited). That number can be raised when the module is loaded, but I haven't seen 100 attacks happening at once yet (typically it's maybe 5-20 at once). You can see blocked hosts later by looking at /proc/net/xt_recent/blocked-hosts.<br><br>(If you don't have "recent", you could get away without it -- just be aware that some of the packets will get through, increasing load on the game server. Without "hashlimit", you'd still see an advantage from the port checks, but you'd need to manually block IPs that are being hit on other ports. Without "string", you'd similarly be down to just port checks, and need to take out the other rules.)<br><br>-John<o:p></o:p></p></div></body></html>