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strace iptables -t nat -L -n -v

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Sep 21st, 2016
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  1. strace iptables -t nat -L -n -v
  2. execve("/sbin/iptables", ["iptables", "-t", "nat", "-L", "-n", "-v"], [/* 30 vars */]) = 0
  3. brk(0) = 0xa5e000
  4. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  5. mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14c8000
  6. access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
  7. open("/etc/ld.so.cache", O_RDONLY) = 3
  8. fstat(3, {st_mode=S_IFREG|0644, st_size=73273, ...}) = 0
  9. mmap(NULL, 73273, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f25f14b6000
  10. close(3) = 0
  11. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  12. open("/lib/libip4tc.so.0", O_RDONLY) = 3
  13. read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\32\0\0\0\0\0\0"..., 832) = 832
  14. fstat(3, {st_mode=S_IFREG|0644, st_size=31384, ...}) = 0
  15. mmap(NULL, 2126600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f25f10a3000
  16. mprotect(0x7f25f10a9000, 2097152, PROT_NONE) = 0
  17. mmap(0x7f25f12a9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f25f12a9000
  18. close(3) = 0
  19. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  20. open("/lib/libip6tc.so.0", O_RDONLY) = 3
  21. read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\35\0\0\0\0\0\0"..., 832) = 832
  22. fstat(3, {st_mode=S_IFREG|0644, st_size=31448, ...}) = 0
  23. mmap(NULL, 2126664, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f25f0e9b000
  24. mprotect(0x7f25f0ea2000, 2093056, PROT_NONE) = 0
  25. mmap(0x7f25f10a1000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f25f10a1000
  26. close(3) = 0
  27. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  28. open("/lib/libxtables.so.7", O_RDONLY) = 3
  29. read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\2406\0\0\0\0\0\0"..., 832) = 832
  30. fstat(3, {st_mode=S_IFREG|0644, st_size=47824, ...}) = 0
  31. mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14b5000
  32. mmap(NULL, 2144864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f25f0c8f000
  33. mprotect(0x7f25f0c9a000, 2093056, PROT_NONE) = 0
  34. mmap(0x7f25f0e99000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa000) = 0x7f25f0e99000
  35. close(3) = 0
  36. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  37. open("/lib/x86_64-linux-gnu/libm.so.6", O_RDONLY) = 3
  38. read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360>\0\0\0\0\0\0"..., 832) = 832
  39. fstat(3, {st_mode=S_IFREG|0644, st_size=530736, ...}) = 0
  40. mmap(NULL, 2625768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f25f0a0d000
  41. mprotect(0x7f25f0a8e000, 2093056, PROT_NONE) = 0
  42. mmap(0x7f25f0c8d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x80000) = 0x7f25f0c8d000
  43. close(3) = 0
  44. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  45. open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY) = 3
  46. read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\357\1\0\0\0\0\0"..., 832) = 832
  47. fstat(3, {st_mode=S_IFREG|0755, st_size=1607696, ...}) = 0
  48. mmap(NULL, 3721272, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f25f0680000
  49. mprotect(0x7f25f0804000, 2093056, PROT_NONE) = 0
  50. mmap(0x7f25f0a03000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x183000) = 0x7f25f0a03000
  51. mmap(0x7f25f0a08000, 18488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f25f0a08000
  52. close(3) = 0
  53. access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
  54. open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY) = 3
  55. read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"..., 832) = 832
  56. fstat(3, {st_mode=S_IFREG|0644, st_size=14768, ...}) = 0
  57. mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14b4000
  58. mmap(NULL, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f25f047c000
  59. mprotect(0x7f25f047e000, 2097152, PROT_NONE) = 0
  60. mmap(0x7f25f067e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f25f067e000
  61. close(3) = 0
  62. mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14b3000
  63. mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14b2000
  64. mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14b1000
  65. arch_prctl(ARCH_SET_FS, 0x7f25f14b2700) = 0
  66. mprotect(0x7f25f067e000, 4096, PROT_READ) = 0
  67. mprotect(0x7f25f0a03000, 16384, PROT_READ) = 0
  68. mprotect(0x7f25f0c8d000, 4096, PROT_READ) = 0
  69. mprotect(0x7f25f0e99000, 4096, PROT_READ) = 0
  70. mprotect(0x7f25f10a1000, 4096, PROT_READ) = 0
  71. mprotect(0x7f25f12a9000, 4096, PROT_READ) = 0
  72. mprotect(0x613000, 4096, PROT_READ) = 0
  73. mprotect(0x7f25f14ca000, 4096, PROT_READ) = 0
  74. munmap(0x7f25f14b6000, 73273) = 0
  75. socket(PF_INET, SOCK_RAW, IPPROTO_RAW) = 3
  76. fcntl(3, F_SETFD, FD_CLOEXEC) = 0
  77. getsockopt(3, SOL_IP, 0x40 /* IP_??? */, "nat\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., [84]) = 0
  78. brk(0) = 0xa5e000
  79. brk(0xa7f000) = 0xa7f000
  80. getsockopt(3, SOL_IP, 0x41 /* IP_??? */, "nat\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., [1256]) = 0
  81. fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
  82. mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f25f14c7000
  83. write(1, "Chain PREROUTING (policy ACCEPT "..., 54Chain PREROUTING (policy ACCEPT 1 packets, 576 bytes)
  84. ) = 54
  85. write(1, " pkts bytes target prot opt "..., 89 pkts bytes target prot opt in out source destination
  86. ) = 89
  87. stat("/lib/xtables/libxt_REDIRECT.so", 0x7ffdc3614840) = -1 ENOENT (No such file or directory)
  88. stat("/lib/xtables/libipt_REDIRECT.so", {st_mode=S_IFREG|0644, st_size=10424, ...}) = 0
  89. open("/lib/xtables/libipt_REDIRECT.so", O_RDONLY) = 4
  90. read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\t\0\0\0\0\0\0"..., 832) = 832
  91. fstat(4, {st_mode=S_IFREG|0644, st_size=10424, ...}) = 0
  92. mmap(NULL, 2105624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f25f0279000
  93. mprotect(0x7f25f027b000, 2093056, PROT_NONE) = 0
  94. mmap(0x7f25f047a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x1000) = 0x7f25f047a000
  95. close(4) = 0
  96. mprotect(0x7f25f047a000, 4096, PROT_READ) = 0
  97. stat("/lib/xtables/libxt_tcp.so", {st_mode=S_IFREG|0644, st_size=14576, ...}) = 0
  98. open("/lib/xtables/libxt_tcp.so", O_RDONLY) = 4
  99. read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\f\0\0\0\0\0\0"..., 832) = 832
  100. fstat(4, {st_mode=S_IFREG|0644, st_size=14576, ...}) = 0
  101. mmap(NULL, 2109776, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7f25f0075000
  102. mprotect(0x7f25f0077000, 2097152, PROT_NONE) = 0
  103. mmap(0x7f25f0277000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x2000) = 0x7f25f0277000
  104. close(4) = 0
  105. mprotect(0x7f25f0277000, 4096, PROT_READ) = 0
  106. write(1, " 0 0 REDIRECT tcp -- "..., 117 0 0 REDIRECT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 redir ports 3128
  107. ) = 117
  108. write(1, " 0 0 REDIRECT tcp -- "..., 117 0 0 REDIRECT tcp -- eth0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 redir ports 3128
  109. ) = 117
  110. write(1, "\n", 1
  111. ) = 1
  112. write(1, "Chain INPUT (policy ACCEPT 1 pac"..., 49Chain INPUT (policy ACCEPT 1 packets, 576 bytes)
  113. ) = 49
  114. write(1, " pkts bytes target prot opt "..., 89 pkts bytes target prot opt in out source destination
  115. ) = 89
  116. write(1, "\n", 1
  117. ) = 1
  118. write(1, "Chain OUTPUT (policy ACCEPT 2 pa"..., 50Chain OUTPUT (policy ACCEPT 2 packets, 397 bytes)
  119. ) = 50
  120. write(1, " pkts bytes target prot opt "..., 89 pkts bytes target prot opt in out source destination
  121. ) = 89
  122. write(1, "\n", 1
  123. ) = 1
  124. write(1, "Chain POSTROUTING (policy ACCEPT"..., 55Chain POSTROUTING (policy ACCEPT 2 packets, 397 bytes)
  125. ) = 55
  126. write(1, " pkts bytes target prot opt "..., 89 pkts bytes target prot opt in out source destination
  127. ) = 89
  128. close(3) = 0
  129. exit_group(0) = ?
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