| #!/bin/sh -eux |
| |
| SSHD_CONFIG="/etc/ssh/sshd_config" |
| |
| # ensure that there is a trailing newline before attempting to concatenate |
| sed -i -e '$a\' "$SSHD_CONFIG" |
| |
| USEDNS="UseDNS no" |
| if grep -q -E "^[[:space:]]*UseDNS" "$SSHD_CONFIG"; then |
| sed -i "s/^\s*UseDNS.*/${USEDNS}/" "$SSHD_CONFIG" |
| else |
| echo "$USEDNS" >>"$SSHD_CONFIG" |
| fi |
| |
| GSSAPI="GSSAPIAuthentication no" |
| if grep -q -E "^[[:space:]]*GSSAPIAuthentication" "$SSHD_CONFIG"; then |
| sed -i "s/^\s*GSSAPIAuthentication.*/${GSSAPI}/" "$SSHD_CONFIG" |
| else |
| echo "$GSSAPI" >>"$SSHD_CONFIG" |
| fi |
