Ever since WordPress 2.6.0, there are keys and salt for authentication in your wp-config.php file. They look something like this:
define('AUTH_KEY', '43.%Qo~})0$uH}jn_vD@|@?XB3p&q.b|#Li3PLJvLD&&J|t`T7oMq]5&{r$c+fr2');
define('SECURE_AUTH_KEY', 'bk3i}wgjp2@;NIz4L>14;{m@tB/bql;)Kl<cJm8P}|F;S>(+pJWPp&^U4SMz$PZ8');
define('LOGGED_IN_KEY', 'DS(v +H[dZe]bm6kFvOlu!J7LJ)?c%^qC:|2A=_zixkw`o(TT%:G?t ?_-sX7<rp');
define('NONCE_KEY', '[t%`YC7lhO[L&sIA43/:-7>ZaJP`{m2CL-+JTGPCau#>Xqng~~.*J56j{Sxh>&KD');
define('AUTH_SALT', 'X;Y:h9.`H@he$]<fNHu2xx;2J%UN~7K%[F%4y*3,G8l[,c(SwkDxi-[ +-f}[To~');
define('SECURE_AUTH_SALT', 'bq- r~2>J`!18ei/|ZGzY0hyNMxC-Be;x3lVZnGS!V>o+.>rV*ab*r|@x,]e`d#D');
define('LOGGED_IN_SALT', '8nwkt|TD2:~lkE;8q{6hXw#=3+Xz!f)+.nvs:@(g-0Sr]f`i)meWiF*vsOGL#|9]');
define('NONCE_SALT', 'XT`ejK<~|otmbqu )[w[vI=g),D+[Y=KWm@u4n=Ay_[b4YT,aTqiAmCGPAHbkt)T');
You can set these to whatever you’d like, but if you’re like me, you are not really that interested in what these actually are as long as they are long enough and sufficiently random. Continue reading “Update WordPress Authentication Unique Keys and Salt”