LEADER 04819nam 2200649Ia 450 001 9910456952403321 005 20200520144314.0 010 $a1-283-01292-8 010 $a9786613012920 010 $a1-84951-011-3 035 $a(CKB)2550000000031200 035 $a(EBL)950556 035 $a(OCoLC)797916609 035 $a(SSID)ssj0000471852 035 $a(PQKBManifestationID)11312833 035 $a(PQKBTitleCode)TC0000471852 035 $a(PQKBWorkID)10428241 035 $a(PQKB)11183346 035 $a(MiAaPQ)EBC950556 035 $a(PPN)227991656 035 $a(Au-PeEL)EBL950556 035 $a(CaPaEBR)ebr10450977 035 $a(CaONFJC)MIL301292 035 $a(EXLCZ)992550000000031200 100 $a20110328d2011 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aOpenVPN 2 Cookbook$b[electronic resource] $e100 simple and incredibly effective recipes for harnessing the power of the OpenVPN 2 network /$fJan Just Keilser 210 $aBirmingham $cPackt Publishing$dc2011 215 $a1 online resource (356 p.) 300 $aIncludes index. 311 $a1-84951-010-5 327 $aCover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Point-to-Point Networks; Introduction; Shortest setup possible; OpenVPN secret keys; Multiple secret keys; Plaintext tunnel; Routing; Configuration files versus the command-line; Complete site-to-site setup; 3-way routing; Chapter 2: Client-server IP-only Networks; Introduction; Setting up the public and private keys; Simple configuration; Server-side routing; Using client-config-dir files; Routing: subnets on both sides; Redirecting the default gateway 327 $aUsing an 'ifconfig-pool' blockUsing the status file; Management interface; Proxy-arp; Chapter 3: Client-server Ethernet-style Networks; Introduction; Simple configuration-non-bridged; Enabling client-to-client traffic; Bridging-Linux; Bridging-Windows; Checking broadcast and non-IP traffic; External DHCP server; Using the status file; Management interface; Chapter 4: PKI, Certificates, and OpenSSL; Introduction; Certificate generation; xCA: a GUI for managing a PKI (Part 1); xCA: a GUI for managing a PKI (Part 2); OpenSSL tricks: x509, pkcs12, verify output; Revoking certificates 327 $aThe use of CRLsChecking expired/revoked certificates; Intermediary CAs; Multiple CAs: stacking, using --capath; Chapter 5: Two-factor Authentication with PKCS#11; Introduction; Initializing a hardware token; Getting a hardware token ID; Using a hardware token; Using the management interface to list PKCS#11 certificates; Selecting a PKCS#11 certificate using the management interface; Generating a key on the hardware token; Private method for getting a PKCS#11 certificate; Pin caching example; Chapter 6: Scripting and Plugins; Introduction; Using a client-side up/down script 327 $aWindows login greeterUsing client-connect/client-disconnect scripts; Using a 'learn-address' script; Using a 'tls-verify' script; Using an 'auth-user-pass-verify' script; Script order; Script security and logging; Using the 'down-root' plugin; Using the PAM authentication plugin; Chapter 7: Troubleshooting OpenVPN: Configurations; Introduction; Cipher mismatches; TUN versus TAP mismatches; Compression mismatches; Key mismatches; Troubleshooting MTU and tun-mtu issues; Troubleshooting network connectivity; Troubleshooting client-config-dir issues; How to read the OpenVPN log files 327 $aChapter 8: Troubleshooting OpenVPN: RoutingIntroduction; The missing return route; Missing return routes when 'iroute' is used; All clients function except the OpenVPN endpoints; Source routing; Routing and permissions on Windows; Troubleshooting client-to-client traffic routing; Understanding the 'MULTI: bad source' warnings; Failure when redirecting the default gateway; Chapter 9: Performance Tuning; Introduction; Optimizing performance using 'ping'; Optimizing performance using iperf; OpenSSL cipher speed; Compression tests; Traffic shaping; Tuning UDP-based connections 327 $aTuning TCP-based connections 330 $a100 simple and incredibly effective recipes for harnessing the power of the OpenVPN 2 network 606 $aExtranets (Computer networks) 606 $aOperating systems (Computers) 608 $aElectronic books. 615 0$aExtranets (Computer networks) 615 0$aOperating systems (Computers) 676 $a004.6 676 $a004.678 700 $aKeilser$b Jan Just$0858109 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910456952403321 996 $aOpenVPN 2 Cookbook$91915830 997 $aUNINA