/etc/proftpd/dhparams.pem is in proftpd-basic 1.3.5~rc3-2.1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | # This file contains a number of pregenerated Diffie-Hellman group parameters,
# ranging in size from 1024 to 8192 bits. These are intended for use during
# the Diffie-Hellman group exchange protocol, part of the SSH key exchange
# (see RFC4419).
#
# The file was generated using the following OpenSSL command:
#
# openssl dhparam -outform PEM -2|-5 1024|1536|2048|4096|6144|8192 >> dhparams.pem
#
# Note that these DH parameters should be refreshed every so often (e.g.
# every few years). These parameters were last updated on 2013-01-14.
# 1024-bit DH group params
-----BEGIN DH PARAMETERS-----
MIGHAoGBALbvOMiSzkUDxrpE0v150A1+hi9R0xSbwk2nyGBHznfZtvi3prJWIZwS
5WPTZI9QCUCGIfGt8xfVrzzzfmruEFUZK9Tz27mR+7dPiet3c51niPIOrBlUCeTB
Kz/urIJMeUcoUcDSbIeajAyLfwkWvLP44i/n7fDW9rsuzef6Eq+bAgEC
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIGHAoGBAM5hpw0SGB0LHC0hN3Cp2rwnRPQtgvywaj1Ju3odzswLaxYriqQODBCH
psywSpi5WAU2R/WUITW5VWLHlI7HpCJwNXG9s9GmHTelCGvBEd/c63jJlL6VjyOe
M2OW+RDONoNFTXXVMmPayuUq3vfWFPGcSRZg5CI+d4Xma4eRPRxbAgEF
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIGHAoGBAKP/HXSZf3Pbpczrl3tvL9L5g+vWsoBQWFA0PglX/RUV7wd/hgiRdcJG
MXktBIkBDxtdKZM5JKu8d99e5Lmbw6puluLF1lA8ZJ/lcIhojnDWQZ8bFBXx2DJ9
DpDMMX/htR8u+cnPxeKDw2gnKjuN39Ku+1IdBLYSl9iu4GEwk9rDAgEC
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIGHAoGBAMLOI4dbum16dz3CVufbtZ/90kC92QElRU2yfEwQdxsufkcYd+uEPgfx
vD0PCMdCl2zAHfMjMtGCrb+8pTiO2eaC/4/wd6z0LUciawZo/dSE3n7S+D51ZH1I
IN1OyvIhMMBq+DyujB6t9jUlrpXriXdcvmv78R83uT6TwwhFtRXnAgEF
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIGHAoGBAO7i+5IQHjs6tHh5LXAwvD3XXgxyE6j7e1KWmgHDFg6GeEo2UZLu07Zt
Ynu9srvka3KsnzdDEqtQgZk9C1aRMpqYoy0DFptVHNFjyhydIwB23Eh5a5xmpCzg
X4yDC+2ADrU2PC0M+T8FuAOWvd3VBBrnm3msoRBRy26IKBAeDi5jAgEC
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIGHAoGBAIBl4JEof+IcUS/j+PnkmeYNLUtGwi/PrQ4xv5Q3V0aiy/qIOX8yYFIA
gwBidaoqPkG0CAAYO9o8gvFhHfJHd8B296mYybSHSGI2G6TVP3xdZYNmqG1lAqd/
Vqmj+CvmkYsgacDVD6P8yOLrF6gzBb9PxVNOFqPhNX/0yOXBr6YTAgEF
-----END DH PARAMETERS-----
# 1536-bit DH group params
-----BEGIN DH PARAMETERS-----
MIHHAoHBAJkp+TbtcuMfeImd5XIA7pKwGjtrcVtNpRXB4wlRbpJpbGGQcyCe65MJ
Kmxs8sndPv1S19fTH+3Fcp9jl7JmChHs+TcWqIpvmrBFRZ/5N2bf2fgimi7hSWWF
JwFdb9zpxUNWbAcNnR/jZdqQ61wweyUT0sfGPH+0xNRbtc1Ct1E95o4+7Os82Lh1
TKokivVwwBf9m2vmCFEXDTgW0bLLqNRH1CQ8juEiw6i/zabmkutPPhKN0uxA7j75
+eMc/DVzlwIBBQ==
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIHHAoHBAKhfKa4EANC76yzSGF+/8UKQnSzjhMDyqOmWlrvb66CTe4T6gTtpECkm
8KDmxuN3HrlXgkEQoMh4rgazpx3UG0z8T6aqQXFZmAVMK/Yp++9H/EzJhTyntJ31
hz3QqkoZgznvKx2vF+Gmx7C4imd+EIi7b/Lz/yw1P3wIGt1t3rznudc46BfPbRMf
7sEQ20na5PEY5XwX3V9u2X61HM4YGto9XuNVL3uU70bxW6pceFBzdzVEadnXaJyW
00bevXWw2wIBAg==
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIHHAoHBANdeoQj9jcGLATPLTqI4vpKMgqJ5fuOe+8yiVVTmDGuNzDL7lDj5JMSF
lrpG99IPVb6Cy+kSAyO/PBbTkj9nPzls42GKmABjb3PHYiDIBcYq4xfP7Z/PEH9J
YIT/9PQVqVRFPHnzdZcXtaS3H6ve6npiwvgwPCNz7s7MX9C153XF99T0qCA8L/a+
KsnKD2aaqsxi/6Njr7sBly9l6qre70lONzeOLzcwQSRq9l2pjSMEekJPY6E3yPPy
MA4GLMlaKwIBAg==
-----END DH PARAMETERS-----
# 2048-bit DH group params
-----BEGIN DH PARAMETERS-----
MIIBCAKCAQEA6Y/KjtYFfcVooSk1p2pvVbqttLQNsMIC5t9GSyWlfCBoFPqffXsm
XVkXuy3k8zAjrdL3rGx5/+c5wlYfVAzz/q3rUR+mFEPQKgkvHKUFy0ubG0Wp/dBI
KZ+vkK+CK0NToKAdXv8G3TfCefw9dI/Nzy2j/wxlUFapFwnZocPXUlgQd52mdCsX
ACqZ5imBZcNQzwcEKTr2jen2l+NE2CKs8nJFVwcSlsFPqEB+7Yh1GwZik1wmBxrT
PwPMrTk1u9CqttF7aTZBHjn++e4TkqrQs1J04s0LjdvzNVaEcUfPPiTH+68KpMwj
NcAuMC6BV3L42Cald1HocD18s07VPcqiUwIBAg==
-----END DH PARAMETERS-----
-----BEGIN DH PARAMETERS-----
MIIBCAKCAQEAo+GoaemZ9KjBgLgwGZuObOQ/hQSoK1Aka/fPoSk3ECokqb0KeeI4
Ai8YVup6WIJigf//UTZFgHXENUsJM3sSTKHe5l7LtQIkb2oPQFfzTpp2OOMceRkK
eXpgDYBct0T0KDAJXV4uB+l6PZfL4cOLfSMNCKTg2ptGGLbbqYPLd7LNwudpe1wO
0KB1GFEkB2ZEPTIkQx2W1ia5EHta5zlXRqa962Rbo1t5fdiM3whVTqlgKNNC5/zv
wH7vHqyJyqVOKQyjXPsT95iBTo1GsXRz8oLXchrTybs7yfilve1eTCnQKfiZHqKw
50XSRbAiSV8ephW8mbwCOLthruMKT7GDTwIBBQ==
-----END DH PARAMETERS-----
# 4096-bit DH group params
-----BEGIN DH PARAMETERS-----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-----END DH PARAMETERS-----
# 6144-bit DH group params
-----BEGIN DH PARAMETERS-----
MIIDCAKCAwEA7WbPJRW6ZqHQQo6DFNV/exYBDYXTgHI8sOtX4ZsmckeLnn4MNWDx
rHymGA6EJqz7Iu3tlPqrZnAe/mOXJZVnWMdDrXaqufXCWA1GA1nOBsX2zjEAA4Yr
kOtE2JyNQ647gVWkZlAPNB1f0Tt4wuR2jvzMYmV+mcMfxurBoOhki7SibHs2UEvb
iFwJQM11b5W5NRQZpKnIpU6hWPGZMkSIBX7sIoMX9y/a0BVFqAXS8rLgmWh5RcQu
WqZPyZWHh+ctKaR3YPHyxX1kKUdFMxZVwXmnDJJeeT7NiNZd5OSJ5Z26XBoZufED
kzvpWigSJmMmfKXaGcxExrizRSBjjAPhc784yXZcnwR2nJB3svvuCnbfO6aoIbVF
78FtqXFiKd75mGTrPTdgfQH3OdjTaFZUp5JScpCfNwtDaWtvbgQ5x8dfxHcu/7CL
W9SeEvlCOwWiFvd0BkE4kRElUIzzLh0ufHHEhywkVGZIicL1qz+eeeTX8V6FmdRC
u2xHK5VtT2/yTMtDA48J5H7YTrSOiC+kgmaud5EAhxMidg4QqJa8jZYJIZpvwsEw
AC3mUv36RkJIhuePybaoa1U1TwSWwGg2dHqidQ6gXv0t+AXxxicKFBiKKMN7DxKo
DgA5asnrUv4Z/bfMU4yGgU3gkiJ7Sczra5N6UEJhCBScBbCI+KUXSsWpeZd2dwim
ELxyC2Da7wIYqJhe9KYRXOoauRUy+LMBzwbKQ7nS2Abw5zON5ANlR/KJJ4H+D19+
LN7WDc1Z8SoF59wbboAmNKjTuUV3Whh0GZuxnd88Fw7DoSWIMe++DoxIvdCRwrFz
Ra/20ZCi99N96IX4r0WocACIG4ukPUInsup2qxMS7757gzcabD2T24irn9N9aJDf
BefKcId/iJBFRK/loSOXT4jcyTWQqID+spA9VhIcuGEBir21R29fU9fActctWOby
URKTuULh6Wqaf46B4suoL8jmvtyEJIwZ6zzD7mWLKv1665UD9SbKciKoy2CQ+AfC
wnKl1+O4DPcbAgEC
-----END DH PARAMETERS-----
# 8192-bit DH group params
-----BEGIN DH PARAMETERS-----
MIIECAKCBAEAxcFcwEBebGISxZbtnocUuiv8Z5GoFb1fi3szRz1y1j6Hwe8mTzVM
oKeZ5QvXE8ZWk5Alnw1phfe7yDZan4BVqJ7U00w+jaUy5Y8Tmo34uSTTRX61dpYS
vBZsSTUEkteqWBbVQRz4l1NQ9eTVXchGAJeL9JzlUFZQbwUXfQPf95wg7y56jcqK
fYjqQWZZgpsxFyn/MFOq7+HQeLYGqRbA1wnKkKTF8ERH16PjChsnjA1i6rH5Tb9C
k0rpIYkZGj2pPoiNoWBEiJagYbt7XjnMGX8UPsQW8ImzoW+JIGUAHCzFZSnFp5eE
ZCL7Q7T8Z3/9RAxHhDUh8bxhWsd9K1pGZ9XYCF4b4TKBsc6GCCmhApgbcTE3/BOO
qLc0tu3sl75GU3wGMpiw97J8SO4LIgMKH5f+g30YBYXPY7z1Msytf6lVKrC8Lzxi
h69nckj9QjtPY4lYHH0q7K3bq4yuQob4EPF9WBrMzWw2roH6Jv8clc9gDcqzqBkk
zn2pKDlR2rFQ955O8A1/yjLIc21T+JwmpYYF7agRZcertzHipyoRkTfS08yQQJjg
cKovqCueVqBNZQvogJKzJRIs5YNQX7i25bH/4JPOG1YIiV7AQ41FQLItbsnB6qS+
U/AzGLH/hd+y2fYsHFCLdNIbsvpmPiyEwJBMCtJ6YDSu3CqMhg4YddR0X9UszIhV
6wo/IhjNJur5AxYmVANjTyVgP48wDGwZN1V6KyCSYLjQk/tt/PY2CybRAON2ac8B
ud5RN0PT7vJcw6EiE5gv/IB5dNIllhqAcjBx/lbbc08uwjN+5LN/MWCIy2CyZCOz
wj3Pzqvl9QfFSFLTKFXMzxQcCKNrBmQL0t0n4X2YAD4ZJPiT/sRYQ8twXpmtKcmr
reXQdxuphB5XRfkawT7yJBVWKAxYiVWRfAqNHs8gjt967YK7nV7Xt0wwb+r9N79/
rYqJFtXiGV/Z8/pUfCSAUoe79NftuzV7AH9C2gMOo7iP6uOeevv7oAlOnjpoOcRl
UnHTC4mZU5JvOF3Nbu/KRvwbX4B+mqq+O47OQm3tvNoACejMYihMlT48G2wgB5bb
0QJ8BxmgpLL4P+K1tZsvu0V5oRHkQ10QTFFsPddwGA+8Vw74dYXT+41RQBNpWgP+
j/zRPUAXCl3FPQ/Hj7hMnBHPQc0HWaQF7XvQzAsWj8EtvyiqZoR4mIkGHOxGCV79
/2Ko2JCsWLqo3y9dwX09Pf2pPhBUeX1GWfCTZGEerLch/I3Cihf9JQHQ03H6gMRM
FSRogNR62d2YmBjZM/xwWdBjpLdWNLuPRnYnbwJXs30R/oQY55iRdZdjvwPQl2uR
9ubWhepIOmE7t5+1o0JiA3x1TX82NHwsGwIBAg==
-----END DH PARAMETERS-----
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