More FreeBSD 15 installerconfig fixes

http/freebsd-15-installerconfig

@@ -8,7 +8,12 @@ HOSTNAME="freebsd"
 DISTRIBUTIONS="kernel.txz base.txz"
 
 # FreeBSD Distribution Mirror
-export BSDINSTALL_DISTSITE="http://download.freebsd.org/ftp/releases/amd64/15.1-CURRENT"
+export BSDINSTALL_DISTSITE="http://download.freebsd.org/releases/amd64/15.1-RELEASE"
+
+# 2. Configure networking in the live installer environment BEFORE fetch
+IFACE=$(ifconfig -l ether | awk '{print $1}')
+ifconfig "$IFACE" up
+dhclient "$IFACE"
 
 # Guided ZFS Installation Parameters
 export nonInteractive="YES"
@@ -36,10 +41,11 @@ bsdinstall_services="sshd local_unbound"
 # Network configuration for the installed system
 echo 'ifconfig_DEFAULT="DHCP"' >> /etc/rc.conf
 
-cat > /etc/resolv.conf << 'DNS'
-nameserver 1.1.1.1
-nameserver 1.0.0.1
-DNS
+# Ensure DNS works inside the chroot environment for pkg
+cat << 'EOF' > /etc/resolv.conf
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
 
 # Set Root Password ('packer')
 echo "packer" | pw usermod root -h 0