NXLog Community Edition Reference Manual NXLog Ltd. Version 2.10.2150, November 2018 Table of Contents 1. Man Pages. 1 1.1. nxlog(8) . 1 1.2. nxlog-processor(8) . 3 2. Configuration . 5 2.1. General Directives . 5 2.2. Global Directives . 6 2.3. Common Module Directives. 7 2.4. Route Directives. 12 3. Language. 15 3.1. Types . 15 3.2. Expressions. 15 3.3. Statements . 24 3.4. Variables . 26 3.5. Statistical Counters . 26 3.6. Functions. 28 3.7. Procedures . 31 4. Extension Modules . 34 4.1. Character Set Conversion (xm_charconv) . 34 4.2. Delimiter-Separated Values (xm_csv) . 35 4.3. External Programs (xm_exec) . 39 4.4. File Operations (xm_fileop) . 41 4.5. GELF (xm_gelf) . 44 4.6. JSON (xm_json). 48 4.7. Key-Value Pairs (xm_kvp) . 51 4.8. Multi-Line Parser (xm_multiline) . 60 4.9. Perl (xm_perl) . 68 4.10. Syslog (xm_syslog) . 71 4.11. WTMP (xm_wtmp) . 83 4.12. XML (xm_xml). 84 5. Input Modules . 88 5.1. Fields . 88 5.2. DBI (im_dbi) . 88 5.3. External Programs (im_exec) . 89 5.4. Files (im_file) . 90 5.5. Internal (im_internal). 93 5.6. Kernel (im_kernel) . 95 5.7. Mark (im_mark) . 96 5.8. EventLog for Windows XP/2000/2003 (im_mseventlog). 97 5.9. EventLog for Windows 2008/Vista and Later (im_msvistalog) . 100 5.10. Null (im_null) . 105 5.11. TLS/SSL (im_ssl) . 105 5.12. TCP (im_tcp) . 107 5.13. UDP (im_udp) . 108 5.14. Unix Domain Sockets (im_uds) . 109 6. Processor Modules . 111 6.1. Blocker (pm_blocker) . ..